21720793910

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{887}}^1\times {\mathrm{9311}}^1$

素因数の和:10468

約数の個数: 32

約数和(自身を含む): 39294554112

約数和(自身を除く): 17573760202

約数列:

[1, 2, 5, 10, 263, 526, 887, 1315, 1774, 2630, 4435, 8870, 9311, 18622, 46555, 93110, 233281, 466562, 1166405, 2332810, 2448793, 4897586, 8258857, 12243965, 16517714, 24487930, 41294285, 82588570, 2172079391, 4344158782, 10860396955, 21720793910]

約数ペア:

[(1, 21720793910), (2, 10860396955), (5, 4344158782), (10, 2172079391), (263, 82588570), (526, 41294285), (887, 24487930), (1315, 16517714), (1774, 12243965), (2630, 8258857), (4435, 4897586), (8870, 2448793), (9311, 2332810), (18622, 1166405), (46555, 466562), (93110, 233281)]