21435857463

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1951}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 30641215488

約数和(自身を除く): 9205358025

約数列:

[1, 3, 31, 37, 93, 103, 111, 309, 961, 1147, 1951, 2883, 3193, 3441, 3811, 5853, 9579, 11433, 35557, 60481, 72187, 98983, 106671, 118141, 181443, 200953, 216561, 296949, 354423, 602859, 1874911, 2237797, 3662371, 5624733, 6229543, 6713391, 7435261, 10987113, 18688629, 22305783, 69371707, 193115833, 208115121, 230493091, 579347499, 691479273, 7145285821, 21435857463]

約数ペア:

[(1, 21435857463), (3, 7145285821), (31, 691479273), (37, 579347499), (93, 230493091), (103, 208115121), (111, 193115833), (309, 69371707), (961, 22305783), (1147, 18688629), (1951, 10987113), (2883, 7435261), (3193, 6713391), (3441, 6229543), (3811, 5624733), (5853, 3662371), (9579, 2237797), (11433, 1874911), (35557, 602859), (60481, 354423), (72187, 296949), (98983, 216561), (106671, 200953), (118141, 181443)]