21000657620

素因数分解:

$2^2\times 5^1\times {\mathrm{5483}}^1\times {\mathrm{191507}}^1$

素因数の和:196999

約数の個数: 24

約数和(自身を含む): 44109654624

約数和(自身を除く): 23108997004

約数列:

[1, 2, 4, 5, 10, 20, 5483, 10966, 21932, 27415, 54830, 109660, 191507, 383014, 766028, 957535, 1915070, 3830140, 1050032881, 2100065762, 4200131524, 5250164405, 10500328810, 21000657620]

約数ペア:

[(1, 21000657620), (2, 10500328810), (4, 5250164405), (5, 4200131524), (10, 2100065762), (20, 1050032881), (5483, 3830140), (10966, 1915070), (21932, 957535), (27415, 766028), (54830, 383014), (109660, 191507)]