21758091

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 30132000

約数和(自身を除く): 8373909

約数列:

[1, 3, 29, 87, 449, 557, 1347, 1671, 13021, 16153, 39063, 48459, 250093, 750279, 7252697, 21758091]

約数ペア:

[(1, 21758091), (3, 7252697), (29, 750279), (87, 250093), (449, 48459), (557, 39063), (1347, 16153), (1671, 13021)]