21164900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1873}}^1$

素因数の和:2000

約数の個数: 36

約数和(自身を含む): 46359012

約数和(自身を除く): 25194112

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1873, 2260, 2825, 3746, 5650, 7492, 9365, 11300, 18730, 37460, 46825, 93650, 187300, 211649, 423298, 846596, 1058245, 2116490, 4232980, 5291225, 10582450, 21164900]

約数ペア:

[(1, 21164900), (2, 10582450), (4, 5291225), (5, 4232980), (10, 2116490), (20, 1058245), (25, 846596), (50, 423298), (100, 211649), (113, 187300), (226, 93650), (452, 46825), (565, 37460), (1130, 18730), (1873, 11300), (2260, 9365), (2825, 7492), (3746, 5650)]