21263706

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27258534

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 719, 954, 1438, 1643, 2157, 3286, 4314, 4929, 6471, 9858, 12942, 14787, 22289, 29574, 38107, 44578, 66867, 76214, 114321, 133734, 200601, 228642, 342963, 401202, 685926, 1181317, 2362634, 3543951, 7087902, 10631853, 21263706]

約数ペア:

[(1, 21263706), (2, 10631853), (3, 7087902), (6, 3543951), (9, 2362634), (18, 1181317), (31, 685926), (53, 401202), (62, 342963), (93, 228642), (106, 200601), (159, 133734), (186, 114321), (279, 76214), (318, 66867), (477, 44578), (558, 38107), (719, 29574), (954, 22289), (1438, 14787), (1643, 12942), (2157, 9858), (3286, 6471), (4314, 4929)]