21715018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 37706256

約数和(自身を除く): 15991238

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 673, 949, 1241, 1346, 1898, 2482, 8749, 11441, 16133, 17498, 22882, 32266, 49129, 98258, 148733, 297466, 638677, 835193, 1277354, 1670386, 10857509, 21715018]

約数ペア:

[(1, 21715018), (2, 10857509), (13, 1670386), (17, 1277354), (26, 835193), (34, 638677), (73, 297466), (146, 148733), (221, 98258), (442, 49129), (673, 32266), (949, 22882), (1241, 17498), (1346, 16133), (1898, 11441), (2482, 8749)]