21439704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6280

約数の個数: 64

約数和(自身を含む): 62979840

約数和(自身を除く): 41540136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6247, 12494, 18741, 24988, 37482, 49976, 68717, 74964, 81211, 137434, 149928, 162422, 206151, 243633, 274868, 324844, 412302, 487266, 549736, 649688, 824604, 893321, 974532, 1649208, 1786642, 1949064, 2679963, 3573284, 5359926, 7146568, 10719852, 21439704]

約数ペア:

[(1, 21439704), (2, 10719852), (3, 7146568), (4, 5359926), (6, 3573284), (8, 2679963), (11, 1949064), (12, 1786642), (13, 1649208), (22, 974532), (24, 893321), (26, 824604), (33, 649688), (39, 549736), (44, 487266), (52, 412302), (66, 324844), (78, 274868), (88, 243633), (104, 206151), (132, 162422), (143, 149928), (156, 137434), (264, 81211), (286, 74964), (312, 68717), (429, 49976), (572, 37482), (858, 24988), (1144, 18741), (1716, 12494), (3432, 6247)]