21051288

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3701}}^1$

素因数の和:3792

約数の個数: 48

約数和(自身を含む): 57751200

約数和(自身を除く): 36699912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3701, 5688, 7402, 11103, 14804, 22206, 29608, 33309, 44412, 66618, 88824, 133236, 266472, 292379, 584758, 877137, 1169516, 1754274, 2339032, 2631411, 3508548, 5262822, 7017096, 10525644, 21051288]

約数ペア:

[(1, 21051288), (2, 10525644), (3, 7017096), (4, 5262822), (6, 3508548), (8, 2631411), (9, 2339032), (12, 1754274), (18, 1169516), (24, 877137), (36, 584758), (72, 292379), (79, 266472), (158, 133236), (237, 88824), (316, 66618), (474, 44412), (632, 33309), (711, 29608), (948, 22206), (1422, 14804), (1896, 11103), (2844, 7402), (3701, 5688)]