21375432

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 63980280

約数和(自身を除く): 42604848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 41, 52, 72, 78, 82, 104, 117, 123, 156, 164, 234, 246, 312, 328, 369, 468, 492, 533, 557, 738, 936, 984, 1066, 1114, 1476, 1599, 1671, 2132, 2228, 2952, 3198, 3342, 4264, 4456, 4797, 5013, 6396, 6684, 7241, 9594, 10026, 12792, 13368, 14482, 19188, 20052, 21723, 22837, 28964, 38376, 40104, 43446, 45674, 57928, 65169, 68511, 86892, 91348, 130338, 137022, 173784, 182696, 205533, 260676, 274044, 296881, 411066, 521352, 548088, 593762, 822132, 890643, 1187524, 1644264, 1781286, 2375048, 2671929, 3562572, 5343858, 7125144, 10687716, 21375432]

約数ペア:

[(1, 21375432), (2, 10687716), (3, 7125144), (4, 5343858), (6, 3562572), (8, 2671929), (9, 2375048), (12, 1781286), (13, 1644264), (18, 1187524), (24, 890643), (26, 822132), (36, 593762), (39, 548088), (41, 521352), (52, 411066), (72, 296881), (78, 274044), (82, 260676), (104, 205533), (117, 182696), (123, 173784), (156, 137022), (164, 130338), (234, 91348), (246, 86892), (312, 68511), (328, 65169), (369, 57928), (468, 45674), (492, 43446), (533, 40104), (557, 38376), (738, 28964), (936, 22837), (984, 21723), (1066, 20052), (1114, 19188), (1476, 14482), (1599, 13368), (1671, 12792), (2132, 10026), (2228, 9594), (2952, 7241), (3198, 6684), (3342, 6396), (4264, 5013), (4456, 4797)]