21329203

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1187}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 4673741

約数列:

[1, 7, 17, 119, 151, 1057, 1187, 2567, 8309, 17969, 20179, 141253, 179237, 1254659, 3047029, 21329203]

約数ペア:

[(1, 21329203), (7, 3047029), (17, 1254659), (119, 179237), (151, 141253), (1057, 20179), (1187, 17969), (2567, 8309)]