21905486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6379}}^1$

素因数の和:6499

約数の個数: 16

約数和(自身を含む): 35141040

約数和(自身を除く): 13235554

約数列:

[1, 2, 17, 34, 101, 202, 1717, 3434, 6379, 12758, 108443, 216886, 644279, 1288558, 10952743, 21905486]

約数ペア:

[(1, 21905486), (2, 10952743), (17, 1288558), (34, 644279), (101, 216886), (202, 108443), (1717, 12758), (3434, 6379)]