21384652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5309}}^1$

素因数の和:5385

約数の個数: 24

約数和(自身を含む): 40143600

約数和(自身を除く): 18758948

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5309, 10618, 21236, 100871, 201742, 281377, 403484, 562754, 1125508, 5346163, 10692326, 21384652]

約数ペア:

[(1, 21384652), (2, 10692326), (4, 5346163), (19, 1125508), (38, 562754), (53, 403484), (76, 281377), (106, 201742), (212, 100871), (1007, 21236), (2014, 10618), (4028, 5309)]