21335564

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 39086208

約数和(自身を除く): 17750644

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2357, 4526, 4714, 9052, 9428, 73067, 146134, 172061, 292268, 344122, 688244, 5333891, 10667782, 21335564]

約数ペア:

[(1, 21335564), (2, 10667782), (4, 5333891), (31, 688244), (62, 344122), (73, 292268), (124, 172061), (146, 146134), (292, 73067), (2263, 9428), (2357, 9052), (4526, 4714)]