21415526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26309}}^1$

素因数の和:26359

約数の個数: 16

約数和(自身を含む): 35992080

約数和(自身を除く): 14576554

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26309, 52618, 289399, 578798, 973433, 1946866, 10707763, 21415526]

約数ペア:

[(1, 21415526), (2, 10707763), (11, 1946866), (22, 973433), (37, 578798), (74, 289399), (407, 52618), (814, 26309)]