21008702012

素因数分解:

$2^2\times {\mathrm{53}}^2\times {\mathrm{941}}^1\times {\mathrm{1987}}^1$

素因数の和:3038

約数の個数: 36

約数和(自身を含む): 37530700536

約数和(自身を除く): 16521998524

約数列:

[1, 2, 4, 53, 106, 212, 941, 1882, 1987, 2809, 3764, 3974, 5618, 7948, 11236, 49873, 99746, 105311, 199492, 210622, 421244, 1869767, 2643269, 3739534, 5286538, 5581483, 7479068, 10573076, 11162966, 22325932, 99097651, 198195302, 396390604, 5252175503, 10504351006, 21008702012]

約数ペア:

[(1, 21008702012), (2, 10504351006), (4, 5252175503), (53, 396390604), (106, 198195302), (212, 99097651), (941, 22325932), (1882, 11162966), (1987, 10573076), (2809, 7479068), (3764, 5581483), (3974, 5286538), (5618, 3739534), (7948, 2643269), (11236, 1869767), (49873, 421244), (99746, 210622), (105311, 199492)]