21406196

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44971}}^1$

素因数の和:44999

約数の個数: 24

約数和(自身を含む): 45331776

約数和(自身を除く): 23925580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44971, 89942, 179884, 314797, 629594, 764507, 1259188, 1529014, 3058028, 5351549, 10703098, 21406196]

約数ペア:

[(1, 21406196), (2, 10703098), (4, 5351549), (7, 3058028), (14, 1529014), (17, 1259188), (28, 764507), (34, 629594), (68, 314797), (119, 179884), (238, 89942), (476, 44971)]