21396970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5011}}^1$

素因数の和:5086

約数の個数: 32

約数和(自身を含む): 44747136

約数和(自身を除く): 23350166

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 5011, 10022, 25055, 35077, 50110, 70154, 175385, 305671, 350770, 611342, 1528355, 2139697, 3056710, 4279394, 10698485, 21396970]

約数ペア:

[(1, 21396970), (2, 10698485), (5, 4279394), (7, 3056710), (10, 2139697), (14, 1528355), (35, 611342), (61, 350770), (70, 305671), (122, 175385), (305, 70154), (427, 50110), (610, 35077), (854, 25055), (2135, 10022), (4270, 5011)]