21853160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1$

素因数の和:4626

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 37659160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4591, 4760, 9182, 18364, 22955, 32137, 36728, 45910, 64274, 78047, 91820, 128548, 156094, 160685, 183640, 257096, 312188, 321370, 390235, 546329, 624376, 642740, 780470, 1092658, 1285480, 1560940, 2185316, 2731645, 3121880, 4370632, 5463290, 10926580, 21853160]

約数ペア:

[(1, 21853160), (2, 10926580), (4, 5463290), (5, 4370632), (7, 3121880), (8, 2731645), (10, 2185316), (14, 1560940), (17, 1285480), (20, 1092658), (28, 780470), (34, 642740), (35, 624376), (40, 546329), (56, 390235), (68, 321370), (70, 312188), (85, 257096), (119, 183640), (136, 160685), (140, 156094), (170, 128548), (238, 91820), (280, 78047), (340, 64274), (476, 45910), (595, 36728), (680, 32137), (952, 22955), (1190, 18364), (2380, 9182), (4591, 4760)]