21020202

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55609}}^1$

素因数の和:55627

約数の個数: 32

約数和(自身を含む): 53385600

約数和(自身を除く): 32365398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55609, 111218, 166827, 333654, 389263, 500481, 778526, 1000962, 1167789, 1501443, 2335578, 3002886, 3503367, 7006734, 10510101, 21020202]

約数ペア:

[(1, 21020202), (2, 10510101), (3, 7006734), (6, 3503367), (7, 3002886), (9, 2335578), (14, 1501443), (18, 1167789), (21, 1000962), (27, 778526), (42, 500481), (54, 389263), (63, 333654), (126, 166827), (189, 111218), (378, 55609)]