21530126

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 34285680

約数和(自身を除く): 12755554

約数列:

[1, 2, 17, 34, 571, 1109, 1142, 2218, 9707, 18853, 19414, 37706, 633239, 1266478, 10765063, 21530126]

約数ペア:

[(1, 21530126), (2, 10765063), (17, 1266478), (34, 633239), (571, 37706), (1109, 19414), (1142, 18853), (2218, 9707)]