21058009780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1\times {\mathrm{38711}}^1$

素因数の和:39240

約数の個数: 48

約数和(自身を含む): 45070058880

約数和(自身を除く): 24012049100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 461, 590, 922, 1180, 1844, 2305, 4610, 9220, 27199, 38711, 54398, 77422, 108796, 135995, 154844, 193555, 271990, 387110, 543980, 774220, 2283949, 4567898, 9135796, 11419745, 17845771, 22839490, 35691542, 45678980, 71383084, 89228855, 178457710, 356915420, 1052900489, 2105800978, 4211601956, 5264502445, 10529004890, 21058009780]

約数ペア:

[(1, 21058009780), (2, 10529004890), (4, 5264502445), (5, 4211601956), (10, 2105800978), (20, 1052900489), (59, 356915420), (118, 178457710), (236, 89228855), (295, 71383084), (461, 45678980), (590, 35691542), (922, 22839490), (1180, 17845771), (1844, 11419745), (2305, 9135796), (4610, 4567898), (9220, 2283949), (27199, 774220), (38711, 543980), (54398, 387110), (77422, 271990), (108796, 193555), (135995, 154844)]