21489376

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4507}}^1$

素因数の和:4666

約数の個数: 24

約数和(自身を含む): 42600600

約数和(自身を除く): 21111224

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4507, 4768, 9014, 18028, 36056, 72112, 144224, 671543, 1343086, 2686172, 5372344, 10744688, 21489376]

約数ペア:

[(1, 21489376), (2, 10744688), (4, 5372344), (8, 2686172), (16, 1343086), (32, 671543), (149, 144224), (298, 72112), (596, 36056), (1192, 18028), (2384, 9014), (4507, 4768)]