21989292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4547}}^1$

素因数の和:4598

約数の個数: 48

約数和(自身を含む): 57050112

約数和(自身を除く): 35060820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4547, 4836, 9094, 13641, 18188, 27282, 54564, 59111, 118222, 140957, 177333, 236444, 281914, 354666, 422871, 563828, 709332, 845742, 1691484, 1832441, 3664882, 5497323, 7329764, 10994646, 21989292]

約数ペア:

[(1, 21989292), (2, 10994646), (3, 7329764), (4, 5497323), (6, 3664882), (12, 1832441), (13, 1691484), (26, 845742), (31, 709332), (39, 563828), (52, 422871), (62, 354666), (78, 281914), (93, 236444), (124, 177333), (156, 140957), (186, 118222), (372, 59111), (403, 54564), (806, 27282), (1209, 18188), (1612, 13641), (2418, 9094), (4547, 4836)]