21058734

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2712

約数の個数: 32

約数和(自身を含む): 44504064

約数和(自身を除く): 23445330

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2633, 2666, 3999, 5266, 7899, 7998, 15798, 81623, 113219, 163246, 226438, 244869, 339657, 489738, 679314, 3509789, 7019578, 10529367, 21058734]

約数ペア:

[(1, 21058734), (2, 10529367), (3, 7019578), (6, 3509789), (31, 679314), (43, 489738), (62, 339657), (86, 244869), (93, 226438), (129, 163246), (186, 113219), (258, 81623), (1333, 15798), (2633, 7998), (2666, 7899), (3999, 5266)]