21980859261

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1\times {\mathrm{97429}}^1$

素因数の和:98068

約数の個数: 16

約数和(自身を含む): 29556364800

約数和(自身を除く): 7575505539

約数列:

[1, 3, 157, 471, 479, 1437, 75203, 97429, 225609, 292287, 15296353, 45889059, 46668491, 140005473, 7326953087, 21980859261]

約数ペア:

[(1, 21980859261), (3, 7326953087), (157, 140005473), (471, 46668491), (479, 45889059), (1437, 15296353), (75203, 292287), (97429, 225609)]