21240186080

素因数分解:

$2^5\times 5^1\times {\mathrm{4951}}^1\times {\mathrm{26813}}^1$

素因数の和:31779

約数の個数: 48

約数和(自身を含む): 50191946784

約数和(自身を除く): 28951760704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4951, 9902, 19804, 24755, 26813, 39608, 49510, 53626, 79216, 99020, 107252, 134065, 158432, 198040, 214504, 268130, 396080, 429008, 536260, 792160, 858016, 1072520, 2145040, 4290080, 132751163, 265502326, 531004652, 663755815, 1062009304, 1327511630, 2124018608, 2655023260, 4248037216, 5310046520, 10620093040, 21240186080]

約数ペア:

[(1, 21240186080), (2, 10620093040), (4, 5310046520), (5, 4248037216), (8, 2655023260), (10, 2124018608), (16, 1327511630), (20, 1062009304), (32, 663755815), (40, 531004652), (80, 265502326), (160, 132751163), (4951, 4290080), (9902, 2145040), (19804, 1072520), (24755, 858016), (26813, 792160), (39608, 536260), (49510, 429008), (53626, 396080), (79216, 268130), (99020, 214504), (107252, 198040), (134065, 158432)]