21498455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22993}}^1$

素因数の和:23026

約数の個数: 16

約数和(自身を含む): 29800224

約数和(自身を除く): 8301769

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22993, 114965, 252923, 390881, 1264615, 1954405, 4299691, 21498455]

約数ペア:

[(1, 21498455), (5, 4299691), (11, 1954405), (17, 1264615), (55, 390881), (85, 252923), (187, 114965), (935, 22993)]