21195625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{3083}}^1$

素因数の和:3114

約数の個数: 20

約数和(自身を含む): 28903248

約数和(自身を除く): 7707623

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 3083, 6875, 15415, 33913, 77075, 169565, 385375, 847825, 1926875, 4239125, 21195625]

約数ペア:

[(1, 21195625), (5, 4239125), (11, 1926875), (25, 847825), (55, 385375), (125, 169565), (275, 77075), (625, 33913), (1375, 15415), (3083, 6875)]