21906914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12157}}^1$

素因数の和:12229

約数の個数: 16

約数和(自身を含む): 35452728

約数和(自身を除く): 13545814

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 12157, 24314, 206669, 413338, 644321, 1288642, 10953457, 21906914]

約数ペア:

[(1, 21906914), (2, 10953457), (17, 1288642), (34, 644321), (53, 413338), (106, 206669), (901, 24314), (1802, 12157)]