21428352

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 71604000

約数和(自身を除く): 50175648

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 64, 66, 72, 76, 88, 89, 96, 99, 114, 128, 132, 144, 152, 171, 176, 178, 192, 198, 209, 228, 264, 267, 288, 304, 342, 352, 356, 384, 396, 418, 456, 528, 534, 576, 608, 627, 684, 704, 712, 792, 801, 836, 912, 979, 1056, 1068, 1152, 1216, 1254, 1368, 1408, 1424, 1584, 1602, 1672, 1691, 1824, 1881, 1958, 2112, 2136, 2432, 2508, 2736, 2848, 2937, 3168, 3204, 3344, 3382, 3648, 3762, 3916, 4224, 4272, 5016, 5073, 5472, 5696, 5874, 6336, 6408, 6688, 6764, 7296, 7524, 7832, 8544, 8811, 10032, 10146, 10944, 11392, 11748, 12672, 12816, 13376, 13528, 15048, 15219, 15664, 17088, 17622, 18601, 20064, 20292, 21888, 23496, 25632, 26752, 27056, 30096, 30438, 31328, 34176, 35244, 37202, 40128, 40584, 46992, 51264, 54112, 55803, 60192, 60876, 62656, 70488, 74404, 80256, 81168, 93984, 102528, 108224, 111606, 120384, 121752, 125312, 140976, 148808, 162336, 167409, 187968, 216448, 223212, 240768, 243504, 281952, 297616, 324672, 334818, 375936, 446424, 487008, 563904, 595232, 649344, 669636, 892848, 974016, 1127808, 1190464, 1339272, 1785696, 1948032, 2380928, 2678544, 3571392, 5357088, 7142784, 10714176, 21428352]

約数ペア:

[(1, 21428352), (2, 10714176), (3, 7142784), (4, 5357088), (6, 3571392), (8, 2678544), (9, 2380928), (11, 1948032), (12, 1785696), (16, 1339272), (18, 1190464), (19, 1127808), (22, 974016), (24, 892848), (32, 669636), (33, 649344), (36, 595232), (38, 563904), (44, 487008), (48, 446424), (57, 375936), (64, 334818), (66, 324672), (72, 297616), (76, 281952), (88, 243504), (89, 240768), (96, 223212), (99, 216448), (114, 187968), (128, 167409), (132, 162336), (144, 148808), (152, 140976), (171, 125312), (176, 121752), (178, 120384), (192, 111606), (198, 108224), (209, 102528), (228, 93984), (264, 81168), (267, 80256), (288, 74404), (304, 70488), (342, 62656), (352, 60876), (356, 60192), (384, 55803), (396, 54112), (418, 51264), (456, 46992), (528, 40584), (534, 40128), (576, 37202), (608, 35244), (627, 34176), (684, 31328), (704, 30438), (712, 30096), (792, 27056), (801, 26752), (836, 25632), (912, 23496), (979, 21888), (1056, 20292), (1068, 20064), (1152, 18601), (1216, 17622), (1254, 17088), (1368, 15664), (1408, 15219), (1424, 15048), (1584, 13528), (1602, 13376), (1672, 12816), (1691, 12672), (1824, 11748), (1881, 11392), (1958, 10944), (2112, 10146), (2136, 10032), (2432, 8811), (2508, 8544), (2736, 7832), (2848, 7524), (2937, 7296), (3168, 6764), (3204, 6688), (3344, 6408), (3382, 6336), (3648, 5874), (3762, 5696), (3916, 5472), (4224, 5073), (4272, 5016)]