21115560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175963}}^1$

素因数の和:175977

約数の個数: 32

約数和(自身を含む): 63347040

約数和(自身を除く): 42231480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175963, 351926, 527889, 703852, 879815, 1055778, 1407704, 1759630, 2111556, 2639445, 3519260, 4223112, 5278890, 7038520, 10557780, 21115560]

約数ペア:

[(1, 21115560), (2, 10557780), (3, 7038520), (4, 5278890), (5, 4223112), (6, 3519260), (8, 2639445), (10, 2111556), (12, 1759630), (15, 1407704), (20, 1055778), (24, 879815), (30, 703852), (40, 527889), (60, 351926), (120, 175963)]