21802425

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1951}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 36307200

約数和(自身を除く): 14504775

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 1951, 2235, 3725, 5853, 9755, 11175, 29265, 48775, 146325, 290699, 872097, 1453495, 4360485, 7267475, 21802425]

約数ペア:

[(1, 21802425), (3, 7267475), (5, 4360485), (15, 1453495), (25, 872097), (75, 290699), (149, 146325), (447, 48775), (745, 29265), (1951, 11175), (2235, 9755), (3725, 5853)]