21458318

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3164

約数の個数: 32

約数和(自身を含む): 40305600

約数和(自身を除く): 18847282

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3109, 3451, 6218, 6902, 21763, 43526, 52853, 90161, 105706, 180322, 369971, 631127, 739942, 1262254, 1532737, 3065474, 10729159, 21458318]

約数ペア:

[(1, 21458318), (2, 10729159), (7, 3065474), (14, 1532737), (17, 1262254), (29, 739942), (34, 631127), (58, 369971), (119, 180322), (203, 105706), (238, 90161), (406, 52853), (493, 43526), (986, 21763), (3109, 6902), (3451, 6218)]