21167690125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4130281}}^1$

素因数の和:4130337

約数の個数: 16

約数和(自身を含む): 27061607664

約数和(自身を除く): 5893917539

約数列:

[1, 5, 25, 41, 125, 205, 1025, 5125, 4130281, 20651405, 103257025, 169341521, 516285125, 846707605, 4233538025, 21167690125]

約数ペア:

[(1, 21167690125), (5, 4233538025), (25, 846707605), (41, 516285125), (125, 169341521), (205, 103257025), (1025, 20651405), (5125, 4130281)]