21869708

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14737}}^1$

素因数の和:14801

約数の個数: 24

約数和(自身を含む): 44567712

約数和(自身を除く): 22698004

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14737, 29474, 58948, 103159, 206318, 412636, 781061, 1562122, 3124244, 5467427, 10934854, 21869708]

約数ペア:

[(1, 21869708), (2, 10934854), (4, 5467427), (7, 3124244), (14, 1562122), (28, 781061), (53, 412636), (106, 206318), (212, 103159), (371, 58948), (742, 29474), (1484, 14737)]