2021012

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 4092480

約数和(自身を除く): 2071468

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 811, 1246, 1622, 2492, 3244, 5677, 11354, 22708, 72179, 144358, 288716, 505253, 1010506, 2021012]

約数ペア:

[(1, 2021012), (2, 1010506), (4, 505253), (7, 288716), (14, 144358), (28, 72179), (89, 22708), (178, 11354), (356, 5677), (623, 3244), (811, 2492), (1246, 1622)]