21979367880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{350213}}^1$

素因数の和:350750

約数の個数: 64

約数和(自身を含む): 66064368960

約数和(自身を除く): 44085001080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 523, 1046, 1569, 2092, 2615, 3138, 4184, 5230, 6276, 7845, 10460, 12552, 15690, 20920, 31380, 62760, 350213, 700426, 1050639, 1400852, 1751065, 2101278, 2801704, 3502130, 4202556, 5253195, 7004260, 8405112, 10506390, 14008520, 21012780, 42025560, 183161399, 366322798, 549484197, 732645596, 915806995, 1098968394, 1465291192, 1831613990, 2197936788, 2747420985, 3663227980, 4395873576, 5494841970, 7326455960, 10989683940, 21979367880]

約数ペア:

[(1, 21979367880), (2, 10989683940), (3, 7326455960), (4, 5494841970), (5, 4395873576), (6, 3663227980), (8, 2747420985), (10, 2197936788), (12, 1831613990), (15, 1465291192), (20, 1098968394), (24, 915806995), (30, 732645596), (40, 549484197), (60, 366322798), (120, 183161399), (523, 42025560), (1046, 21012780), (1569, 14008520), (2092, 10506390), (2615, 8405112), (3138, 7004260), (4184, 5253195), (5230, 4202556), (6276, 3502130), (7845, 2801704), (10460, 2101278), (12552, 1751065), (15690, 1400852), (20920, 1050639), (31380, 700426), (62760, 350213)]