21000343372

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{1068611}}^1$

素因数の和:1068666

約数の個数: 24

約数和(自身を含む): 39047082480

約数和(自身を除く): 18046739108

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 4913, 9826, 19652, 1068611, 2137222, 4274444, 18166387, 36332774, 72665548, 308828579, 617657158, 1235314316, 5250085843, 10500171686, 21000343372]

約数ペア:

[(1, 21000343372), (2, 10500171686), (4, 5250085843), (17, 1235314316), (34, 617657158), (68, 308828579), (289, 72665548), (578, 36332774), (1156, 18166387), (4913, 4274444), (9826, 2137222), (19652, 1068611)]