21445080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1033}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 64769760

約数和(自身を除く): 43324680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1033, 1038, 1384, 1730, 2066, 2076, 2595, 3099, 3460, 4132, 4152, 5165, 5190, 6198, 6920, 8264, 10330, 10380, 12396, 15495, 20660, 20760, 24792, 30990, 41320, 61980, 123960, 178709, 357418, 536127, 714836, 893545, 1072254, 1429672, 1787090, 2144508, 2680635, 3574180, 4289016, 5361270, 7148360, 10722540, 21445080]

約数ペア:

[(1, 21445080), (2, 10722540), (3, 7148360), (4, 5361270), (5, 4289016), (6, 3574180), (8, 2680635), (10, 2144508), (12, 1787090), (15, 1429672), (20, 1072254), (24, 893545), (30, 714836), (40, 536127), (60, 357418), (120, 178709), (173, 123960), (346, 61980), (519, 41320), (692, 30990), (865, 24792), (1033, 20760), (1038, 20660), (1384, 15495), (1730, 12396), (2066, 10380), (2076, 10330), (2595, 8264), (3099, 6920), (3460, 6198), (4132, 5190), (4152, 5165)]