21797875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 8393741

約数列:

[1, 5, 11, 25, 55, 83, 125, 191, 275, 415, 913, 955, 1375, 2075, 2101, 4565, 4775, 10375, 10505, 15853, 22825, 23875, 52525, 79265, 114125, 174383, 262625, 396325, 871915, 1981625, 4359575, 21797875]

約数ペア:

[(1, 21797875), (5, 4359575), (11, 1981625), (25, 871915), (55, 396325), (83, 262625), (125, 174383), (191, 114125), (275, 79265), (415, 52525), (913, 23875), (955, 22825), (1375, 15853), (2075, 10505), (2101, 10375), (4565, 4775)]