21197708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44533}}^1$

素因数の和:44561

約数の個数: 24

約数和(自身を含む): 44890272

約数和(自身を除く): 23692564

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44533, 89066, 178132, 311731, 623462, 757061, 1246924, 1514122, 3028244, 5299427, 10598854, 21197708]

約数ペア:

[(1, 21197708), (2, 10598854), (4, 5299427), (7, 3028244), (14, 1514122), (17, 1246924), (28, 757061), (34, 623462), (68, 311731), (119, 178132), (238, 89066), (476, 44533)]