21571560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59921}}^1$

素因数の和:59938

約数の個数: 48

約数和(自身を含む): 70108740

約数和(自身を除く): 48537180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59921, 119842, 179763, 239684, 299605, 359526, 479368, 539289, 599210, 719052, 898815, 1078578, 1198420, 1438104, 1797630, 2157156, 2396840, 2696445, 3595260, 4314312, 5392890, 7190520, 10785780, 21571560]

約数ペア:

[(1, 21571560), (2, 10785780), (3, 7190520), (4, 5392890), (5, 4314312), (6, 3595260), (8, 2696445), (9, 2396840), (10, 2157156), (12, 1797630), (15, 1438104), (18, 1198420), (20, 1078578), (24, 898815), (30, 719052), (36, 599210), (40, 539289), (45, 479368), (60, 359526), (72, 299605), (90, 239684), (120, 179763), (180, 119842), (360, 59921)]