21028902

素因数分解:

$2^1\times 3^1\times {\mathrm{1637}}^1\times {\mathrm{2141}}^1$

素因数の和:3783

約数の個数: 16

約数和(自身を含む): 42103152

約数和(自身を除く): 21074250

約数列:

[1, 2, 3, 6, 1637, 2141, 3274, 4282, 4911, 6423, 9822, 12846, 3504817, 7009634, 10514451, 21028902]

約数ペア:

[(1, 21028902), (2, 10514451), (3, 7009634), (6, 3504817), (1637, 12846), (2141, 9822), (3274, 6423), (4282, 4911)]