21413858

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 33035904

約数和(自身を除く): 11622046

約数列:

[1, 2, 47, 94, 157, 314, 1451, 2902, 7379, 14758, 68197, 136394, 227807, 455614, 10706929, 21413858]

約数ペア:

[(1, 21413858), (2, 10706929), (47, 455614), (94, 227807), (157, 136394), (314, 68197), (1451, 14758), (2902, 7379)]