21462196

素因数分解:

$2^2\times 7^3\times {\mathrm{15643}}^1$

素因数の和:15668

約数の個数: 24

約数和(自身を含む): 43803200

約数和(自身を除く): 22341004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15643, 31286, 62572, 109501, 219002, 438004, 766507, 1533014, 3066028, 5365549, 10731098, 21462196]

約数ペア:

[(1, 21462196), (2, 10731098), (4, 5365549), (7, 3066028), (14, 1533014), (28, 766507), (49, 438004), (98, 219002), (196, 109501), (343, 62572), (686, 31286), (1372, 15643)]