21028710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6551}}^1$

素因数の和:6668

約数の個数: 32

約数和(自身を含む): 50948352

約数和(自身を除く): 29919642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6551, 13102, 19653, 32755, 39306, 65510, 98265, 196530, 700957, 1401914, 2102871, 3504785, 4205742, 7009570, 10514355, 21028710]

約数ペア:

[(1, 21028710), (2, 10514355), (3, 7009570), (5, 4205742), (6, 3504785), (10, 2102871), (15, 1401914), (30, 700957), (107, 196530), (214, 98265), (321, 65510), (535, 39306), (642, 32755), (1070, 19653), (1605, 13102), (3210, 6551)]