21160875

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 35740224

約数和(自身を除く): 14579349

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 773, 1095, 1825, 2319, 3865, 5475, 9125, 11595, 19325, 27375, 56429, 57975, 96625, 169287, 282145, 289875, 846435, 1410725, 4232175, 7053625, 21160875]

約数ペア:

[(1, 21160875), (3, 7053625), (5, 4232175), (15, 1410725), (25, 846435), (73, 289875), (75, 282145), (125, 169287), (219, 96625), (365, 57975), (375, 56429), (773, 27375), (1095, 19325), (1825, 11595), (2319, 9125), (3865, 5475)]