21078430

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1867}}^1$

素因数の和:3003

約数の個数: 16

約数和(自身を含む): 37995120

約数和(自身を除く): 16916690

約数列:

[1, 2, 5, 10, 1129, 1867, 2258, 3734, 5645, 9335, 11290, 18670, 2107843, 4215686, 10539215, 21078430]

約数ペア:

[(1, 21078430), (2, 10539215), (5, 4215686), (10, 2107843), (1129, 18670), (1867, 11290), (2258, 9335), (3734, 5645)]