21881170231

素因数分解:

${\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1\times {\mathrm{13267}}^1$

素因数の和:14022

約数の個数: 16

約数和(自身を含む): 22896534528

約数和(自身を除く): 1015364297

約数列:

[1, 31, 83, 641, 2573, 13267, 19871, 53203, 411277, 1101161, 1649293, 8504147, 34135991, 263628557, 705844201, 21881170231]

約数ペア:

[(1, 21881170231), (31, 705844201), (83, 263628557), (641, 34135991), (2573, 8504147), (13267, 1649293), (19871, 1101161), (53203, 411277)]