21196225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 27712512

約数和(自身を除く): 6516287

約数列:

[1, 5, 23, 25, 115, 191, 193, 575, 955, 965, 4393, 4439, 4775, 4825, 21965, 22195, 36863, 109825, 110975, 184315, 847849, 921575, 4239245, 21196225]

約数ペア:

[(1, 21196225), (5, 4239245), (23, 921575), (25, 847849), (115, 184315), (191, 110975), (193, 109825), (575, 36863), (955, 22195), (965, 21965), (4393, 4825), (4439, 4775)]