21055830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4057}}^1$

素因数の和:4240

約数の個数: 32

約数和(自身を含む): 50838624

約数和(自身を除く): 29782794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 4057, 5190, 8114, 12171, 20285, 24342, 40570, 60855, 121710, 701861, 1403722, 2105583, 3509305, 4211166, 7018610, 10527915, 21055830]

約数ペア:

[(1, 21055830), (2, 10527915), (3, 7018610), (5, 4211166), (6, 3509305), (10, 2105583), (15, 1403722), (30, 701861), (173, 121710), (346, 60855), (519, 40570), (865, 24342), (1038, 20285), (1730, 12171), (2595, 8114), (4057, 5190)]