21002548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44123}}^1$

素因数の和:44151

約数の個数: 24

約数和(自身を含む): 44476992

約数和(自身を除く): 23474444

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44123, 88246, 176492, 308861, 617722, 750091, 1235444, 1500182, 3000364, 5250637, 10501274, 21002548]

約数ペア:

[(1, 21002548), (2, 10501274), (4, 5250637), (7, 3000364), (14, 1500182), (17, 1235444), (28, 750091), (34, 617722), (68, 308861), (119, 176492), (238, 88246), (476, 44123)]