21725125

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{1151}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 27316224

約数和(自身を除く): 5591099

約数列:

[1, 5, 25, 125, 151, 755, 1151, 3775, 5755, 18875, 28775, 143875, 173801, 869005, 4345025, 21725125]

約数ペア:

[(1, 21725125), (5, 4345025), (25, 869005), (125, 173801), (151, 143875), (755, 28775), (1151, 18875), (3775, 5755)]