21362975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 28203552

約数和(自身を除く): 6840577

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 701, 1219, 1325, 3505, 6095, 16123, 17525, 30475, 37153, 80615, 185765, 403075, 854519, 928825, 4272595, 21362975]

約数ペア:

[(1, 21362975), (5, 4272595), (23, 928825), (25, 854519), (53, 403075), (115, 185765), (265, 80615), (575, 37153), (701, 30475), (1219, 17525), (1325, 16123), (3505, 6095)]