21271796787

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{4091}}^1\times {\mathrm{36877}}^1$

素因数の和:41018

約数の個数: 16

約数和(自身を含む): 28973716992

約数和(自身を除く): 7701920205

約数列:

[1, 3, 47, 141, 4091, 12273, 36877, 110631, 192277, 576831, 1733219, 5199657, 150863807, 452591421, 7090598929, 21271796787]

約数ペア:

[(1, 21271796787), (3, 7090598929), (47, 452591421), (141, 150863807), (4091, 5199657), (12273, 1733219), (36877, 576831), (110631, 192277)]