21987331378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{1076017}}^1$

素因数の和:1076637

約数の個数: 16

約数和(自身を含む): 34979193144

約数和(自身を除く): 12991861766

約数列:

[1, 2, 17, 34, 601, 1202, 10217, 20434, 1076017, 2152034, 18292289, 36584578, 646686217, 1293372434, 10993665689, 21987331378]

約数ペア:

[(1, 21987331378), (2, 10993665689), (17, 1293372434), (34, 646686217), (601, 36584578), (1202, 18292289), (10217, 2152034), (20434, 1076017)]