21761540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9629}}^1$

素因数の和:9751

約数の個数: 24

約数和(自身を含む): 46108440

約数和(自身を除く): 24346900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9629, 19258, 38516, 48145, 96290, 192580, 1088077, 2176154, 4352308, 5440385, 10880770, 21761540]

約数ペア:

[(1, 21761540), (2, 10880770), (4, 5440385), (5, 4352308), (10, 2176154), (20, 1088077), (113, 192580), (226, 96290), (452, 48145), (565, 38516), (1130, 19258), (2260, 9629)]