21303525

素因数分解:

$3^1\times 5^2\times {\mathrm{479}}^1\times {\mathrm{593}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 35354880

約数和(自身を除く): 14051355

約数列:

[1, 3, 5, 15, 25, 75, 479, 593, 1437, 1779, 2395, 2965, 7185, 8895, 11975, 14825, 35925, 44475, 284047, 852141, 1420235, 4260705, 7101175, 21303525]

約数ペア:

[(1, 21303525), (3, 7101175), (5, 4260705), (15, 1420235), (25, 852141), (75, 284047), (479, 44475), (593, 35925), (1437, 14825), (1779, 11975), (2395, 8895), (2965, 7185)]