21970518

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 45067776

約数和(自身を除く): 23097258

約数列:

[1, 2, 3, 6, 73, 103, 146, 206, 219, 309, 438, 487, 618, 974, 1461, 2922, 7519, 15038, 22557, 35551, 45114, 50161, 71102, 100322, 106653, 150483, 213306, 300966, 3661753, 7323506, 10985259, 21970518]

約数ペア:

[(1, 21970518), (2, 10985259), (3, 7323506), (6, 3661753), (73, 300966), (103, 213306), (146, 150483), (206, 106653), (219, 100322), (309, 71102), (438, 50161), (487, 45114), (618, 35551), (974, 22557), (1461, 15038), (2922, 7519)]