21182112

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 216

約数和(自身を含む): 74692800

約数和(自身を除く): 53510688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 79, 84, 96, 98, 112, 114, 126, 133, 144, 147, 152, 158, 168, 171, 196, 224, 228, 237, 252, 266, 288, 294, 304, 316, 336, 342, 392, 399, 441, 456, 474, 504, 532, 553, 588, 608, 632, 672, 684, 711, 784, 798, 882, 912, 931, 948, 1008, 1064, 1106, 1176, 1197, 1264, 1368, 1422, 1501, 1568, 1596, 1659, 1764, 1824, 1862, 1896, 2016, 2128, 2212, 2352, 2394, 2528, 2736, 2793, 2844, 3002, 3192, 3318, 3528, 3724, 3792, 3871, 4256, 4424, 4503, 4704, 4788, 4977, 5472, 5586, 5688, 6004, 6384, 6636, 7056, 7448, 7584, 7742, 8379, 8848, 9006, 9576, 9954, 10507, 11172, 11376, 11613, 12008, 12768, 13272, 13509, 14112, 14896, 15484, 16758, 17696, 18012, 19152, 19908, 21014, 22344, 22752, 23226, 24016, 26544, 27018, 29792, 30968, 31521, 33516, 34839, 36024, 38304, 39816, 42028, 44688, 46452, 48032, 53088, 54036, 61936, 63042, 67032, 69678, 72048, 73549, 79632, 84056, 89376, 92904, 94563, 108072, 123872, 126084, 134064, 139356, 144096, 147098, 159264, 168112, 185808, 189126, 216144, 220647, 252168, 268128, 278712, 294196, 336224, 371616, 378252, 432288, 441294, 504336, 557424, 588392, 661941, 756504, 882588, 1008672, 1114848, 1176784, 1323882, 1513008, 1765176, 2353568, 2647764, 3026016, 3530352, 5295528, 7060704, 10591056, 21182112]

約数ペア:

[(1, 21182112), (2, 10591056), (3, 7060704), (4, 5295528), (6, 3530352), (7, 3026016), (8, 2647764), (9, 2353568), (12, 1765176), (14, 1513008), (16, 1323882), (18, 1176784), (19, 1114848), (21, 1008672), (24, 882588), (28, 756504), (32, 661941), (36, 588392), (38, 557424), (42, 504336), (48, 441294), (49, 432288), (56, 378252), (57, 371616), (63, 336224), (72, 294196), (76, 278712), (79, 268128), (84, 252168), (96, 220647), (98, 216144), (112, 189126), (114, 185808), (126, 168112), (133, 159264), (144, 147098), (147, 144096), (152, 139356), (158, 134064), (168, 126084), (171, 123872), (196, 108072), (224, 94563), (228, 92904), (237, 89376), (252, 84056), (266, 79632), (288, 73549), (294, 72048), (304, 69678), (316, 67032), (336, 63042), (342, 61936), (392, 54036), (399, 53088), (441, 48032), (456, 46452), (474, 44688), (504, 42028), (532, 39816), (553, 38304), (588, 36024), (608, 34839), (632, 33516), (672, 31521), (684, 30968), (711, 29792), (784, 27018), (798, 26544), (882, 24016), (912, 23226), (931, 22752), (948, 22344), (1008, 21014), (1064, 19908), (1106, 19152), (1176, 18012), (1197, 17696), (1264, 16758), (1368, 15484), (1422, 14896), (1501, 14112), (1568, 13509), (1596, 13272), (1659, 12768), (1764, 12008), (1824, 11613), (1862, 11376), (1896, 11172), (2016, 10507), (2128, 9954), (2212, 9576), (2352, 9006), (2394, 8848), (2528, 8379), (2736, 7742), (2793, 7584), (2844, 7448), (3002, 7056), (3192, 6636), (3318, 6384), (3528, 6004), (3724, 5688), (3792, 5586), (3871, 5472), (4256, 4977), (4424, 4788), (4503, 4704)]