21105755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22573}}^1$

素因数の和:22606

約数の個数: 16

約数和(自身を含む): 29255904

約数和(自身を除く): 8150149

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22573, 112865, 248303, 383741, 1241515, 1918705, 4221151, 21105755]

約数ペア:

[(1, 21105755), (5, 4221151), (11, 1918705), (17, 1241515), (55, 383741), (85, 248303), (187, 112865), (935, 22573)]