21937601

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 4500799

約数列:

[1, 7, 29, 53, 203, 371, 1537, 2039, 10759, 14273, 59131, 108067, 413917, 756469, 3133943, 21937601]

約数ペア:

[(1, 21937601), (7, 3133943), (29, 756469), (53, 413917), (203, 108067), (371, 59131), (1537, 14273), (2039, 10759)]