21777016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73571}}^1$

素因数の和:73614

約数の個数: 16

約数和(自身を含む): 41936040

約数和(自身を除く): 20159024

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 73571, 147142, 294284, 588568, 2722127, 5444254, 10888508, 21777016]

約数ペア:

[(1, 21777016), (2, 10888508), (4, 5444254), (8, 2722127), (37, 588568), (74, 294284), (148, 147142), (296, 73571)]