21805586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31973}}^1$

素因数の和:32017

約数の個数: 16

約数和(自身を含む): 36834048

約数和(自身を除く): 15028462

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31973, 63946, 351703, 703406, 991163, 1982326, 10902793, 21805586]

約数ペア:

[(1, 21805586), (2, 10902793), (11, 1982326), (22, 991163), (31, 703406), (62, 351703), (341, 63946), (682, 31973)]