21557592

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42773}}^1$

素因数の和:42792

約数の個数: 48

約数和(自身を含む): 66727440

約数和(自身を除く): 45169848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42773, 85546, 128319, 171092, 256638, 299411, 342184, 384957, 513276, 598822, 769914, 898233, 1026552, 1197644, 1539828, 1796466, 2395288, 2694699, 3079656, 3592932, 5389398, 7185864, 10778796, 21557592]

約数ペア:

[(1, 21557592), (2, 10778796), (3, 7185864), (4, 5389398), (6, 3592932), (7, 3079656), (8, 2694699), (9, 2395288), (12, 1796466), (14, 1539828), (18, 1197644), (21, 1026552), (24, 898233), (28, 769914), (36, 598822), (42, 513276), (56, 384957), (63, 342184), (72, 299411), (84, 256638), (126, 171092), (168, 128319), (252, 85546), (504, 42773)]