21589708

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4457}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 43438752

約数和(自身を除く): 21849044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4457, 4844, 8914, 17828, 31199, 62398, 124796, 771061, 1542122, 3084244, 5397427, 10794854, 21589708]

約数ペア:

[(1, 21589708), (2, 10794854), (4, 5397427), (7, 3084244), (14, 1542122), (28, 771061), (173, 124796), (346, 62398), (692, 31199), (1211, 17828), (2422, 8914), (4457, 4844)]