21000570625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{569507}}^1$

素因数の和:569586

約数の個数: 20

約数和(自身を含む): 26687144880

約数和(自身を除く): 5686574255

約数列:

[1, 5, 25, 59, 125, 295, 625, 1475, 7375, 36875, 569507, 2847535, 14237675, 33600913, 71188375, 168004565, 355941875, 840022825, 4200114125, 21000570625]

約数ペア:

[(1, 21000570625), (5, 4200114125), (25, 840022825), (59, 355941875), (125, 168004565), (295, 71188375), (625, 33600913), (1475, 14237675), (7375, 2847535), (36875, 569507)]