21000355008

素因数分解:

$2^6\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:655

約数の個数: 224

約数和(自身を含む): 58463078400

約数和(自身を除く): 37462723392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 71, 73, 94, 96, 141, 142, 146, 188, 192, 213, 219, 282, 284, 292, 376, 426, 438, 449, 564, 568, 584, 752, 852, 876, 898, 1128, 1136, 1168, 1347, 1504, 1704, 1752, 1796, 2256, 2272, 2336, 2694, 3008, 3337, 3408, 3431, 3504, 3592, 4512, 4544, 4672, 5183, 5388, 6674, 6816, 6862, 7008, 7184, 9024, 10011, 10293, 10366, 10776, 13348, 13632, 13724, 14016, 14368, 15549, 20022, 20586, 20732, 21103, 21552, 26696, 27448, 28736, 31098, 31879, 32777, 40044, 41172, 41464, 42206, 43104, 53392, 54896, 62196, 63309, 63758, 65554, 80088, 82344, 82928, 84412, 86208, 95637, 98331, 106784, 109792, 124392, 126618, 127516, 131108, 160176, 164688, 165856, 168824, 191274, 196662, 213568, 219584, 243601, 248784, 253236, 255032, 262216, 320352, 329376, 331712, 337648, 382548, 393324, 487202, 497568, 506472, 510064, 524432, 640704, 658752, 675296, 730803, 765096, 786648, 974404, 995136, 1012944, 1020128, 1048864, 1350592, 1461606, 1498313, 1530192, 1540519, 1573296, 1948808, 2025888, 2040256, 2097728, 2327167, 2923212, 2996626, 3060384, 3081038, 3146592, 3897616, 4051776, 4494939, 4621557, 4654334, 5846424, 5993252, 6120768, 6162076, 6293184, 6981501, 7795232, 8989878, 9243114, 9308668, 11692848, 11986504, 12324152, 13963002, 15590464, 17979756, 18486228, 18617336, 23385696, 23973008, 24648304, 27926004, 35959512, 36972456, 37234672, 46771392, 47946016, 49296608, 55852008, 71919024, 73944912, 74469344, 95892032, 98593216, 109376849, 111704016, 143838048, 147889824, 148938688, 218753698, 223408032, 287676096, 295779648, 328130547, 437507396, 446816064, 656261094, 875014792, 1312522188, 1750029584, 2625044376, 3500059168, 5250088752, 7000118336, 10500177504, 21000355008]

約数ペア:

[(1, 21000355008), (2, 10500177504), (3, 7000118336), (4, 5250088752), (6, 3500059168), (8, 2625044376), (12, 1750029584), (16, 1312522188), (24, 875014792), (32, 656261094), (47, 446816064), (48, 437507396), (64, 328130547), (71, 295779648), (73, 287676096), (94, 223408032), (96, 218753698), (141, 148938688), (142, 147889824), (146, 143838048), (188, 111704016), (192, 109376849), (213, 98593216), (219, 95892032), (282, 74469344), (284, 73944912), (292, 71919024), (376, 55852008), (426, 49296608), (438, 47946016), (449, 46771392), (564, 37234672), (568, 36972456), (584, 35959512), (752, 27926004), (852, 24648304), (876, 23973008), (898, 23385696), (1128, 18617336), (1136, 18486228), (1168, 17979756), (1347, 15590464), (1504, 13963002), (1704, 12324152), (1752, 11986504), (1796, 11692848), (2256, 9308668), (2272, 9243114), (2336, 8989878), (2694, 7795232), (3008, 6981501), (3337, 6293184), (3408, 6162076), (3431, 6120768), (3504, 5993252), (3592, 5846424), (4512, 4654334), (4544, 4621557), (4672, 4494939), (5183, 4051776), (5388, 3897616), (6674, 3146592), (6816, 3081038), (6862, 3060384), (7008, 2996626), (7184, 2923212), (9024, 2327167), (10011, 2097728), (10293, 2040256), (10366, 2025888), (10776, 1948808), (13348, 1573296), (13632, 1540519), (13724, 1530192), (14016, 1498313), (14368, 1461606), (15549, 1350592), (20022, 1048864), (20586, 1020128), (20732, 1012944), (21103, 995136), (21552, 974404), (26696, 786648), (27448, 765096), (28736, 730803), (31098, 675296), (31879, 658752), (32777, 640704), (40044, 524432), (41172, 510064), (41464, 506472), (42206, 497568), (43104, 487202), (53392, 393324), (54896, 382548), (62196, 337648), (63309, 331712), (63758, 329376), (65554, 320352), (80088, 262216), (82344, 255032), (82928, 253236), (84412, 248784), (86208, 243601), (95637, 219584), (98331, 213568), (106784, 196662), (109792, 191274), (124392, 168824), (126618, 165856), (127516, 164688), (131108, 160176)]