21603638

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 38622528

約数和(自身を除く): 17018890

約数列:

[1, 2, 7, 14, 41, 61, 82, 122, 287, 427, 574, 617, 854, 1234, 2501, 4319, 5002, 8638, 17507, 25297, 35014, 37637, 50594, 75274, 177079, 263459, 354158, 526918, 1543117, 3086234, 10801819, 21603638]

約数ペア:

[(1, 21603638), (2, 10801819), (7, 3086234), (14, 1543117), (41, 526918), (61, 354158), (82, 263459), (122, 177079), (287, 75274), (427, 50594), (574, 37637), (617, 35014), (854, 25297), (1234, 17507), (2501, 8638), (4319, 5002)]