21718334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26681}}^1$

素因数の和:26731

約数の個数: 16

約数和(自身を含む): 36500976

約数和(自身を除く): 14782642

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26681, 53362, 293491, 586982, 987197, 1974394, 10859167, 21718334]

約数ペア:

[(1, 21718334), (2, 10859167), (11, 1974394), (22, 987197), (37, 586982), (74, 293491), (407, 53362), (814, 26681)]