21504818

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 32944320

約数和(自身を除く): 11439502

約数列:

[1, 2, 61, 122, 359, 491, 718, 982, 21899, 29951, 43798, 59902, 176269, 352538, 10752409, 21504818]

約数ペア:

[(1, 21504818), (2, 10752409), (61, 352538), (122, 176269), (359, 59902), (491, 43798), (718, 29951), (982, 21899)]