21215672410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124798073}}^1$

素因数の和:124798097

約数の個数: 16

約数和(自身を含む): 40434575976

約数和(自身を除く): 19218903566

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124798073, 249596146, 623990365, 1247980730, 2121567241, 4243134482, 10607836205, 21215672410]

約数ペア:

[(1, 21215672410), (2, 10607836205), (5, 4243134482), (10, 2121567241), (17, 1247980730), (34, 623990365), (85, 249596146), (170, 124798073)]