21360390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6301}}^1$

素因数の和:6424

約数の個数: 32

約数和(自身を含む): 51726816

約数和(自身を除く): 30366426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6301, 12602, 18903, 31505, 37806, 63010, 94515, 189030, 712013, 1424026, 2136039, 3560065, 4272078, 7120130, 10680195, 21360390]

約数ペア:

[(1, 21360390), (2, 10680195), (3, 7120130), (5, 4272078), (6, 3560065), (10, 2136039), (15, 1424026), (30, 712013), (113, 189030), (226, 94515), (339, 63010), (565, 37806), (678, 31505), (1130, 18903), (1695, 12602), (3390, 6301)]