21173398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16831}}^1$

素因数の和:16887

約数の個数: 16

約数和(自身を含む): 34539264

約数和(自身を除く): 13365866

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16831, 33662, 286127, 572254, 622747, 1245494, 10586699, 21173398]

約数ペア:

[(1, 21173398), (2, 10586699), (17, 1245494), (34, 622747), (37, 572254), (74, 286127), (629, 33662), (1258, 16831)]