21236430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9697}}^1$

素因数の和:9780

約数の個数: 32

約数和(自身を含む): 51670944

約数和(自身を除く): 30434514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9697, 19394, 29091, 48485, 58182, 96970, 145455, 290910, 707881, 1415762, 2123643, 3539405, 4247286, 7078810, 10618215, 21236430]

約数ペア:

[(1, 21236430), (2, 10618215), (3, 7078810), (5, 4247286), (6, 3539405), (10, 2123643), (15, 1415762), (30, 707881), (73, 290910), (146, 145455), (219, 96970), (365, 58182), (438, 48485), (730, 29091), (1095, 19394), (2190, 9697)]