21037534

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 39234240

約数和(自身を除く): 18196706

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2389, 4403, 4778, 8806, 16723, 33446, 40613, 81226, 88393, 176786, 284291, 568582, 618751, 1237502, 1502681, 3005362, 10518767, 21037534]

約数ペア:

[(1, 21037534), (2, 10518767), (7, 3005362), (14, 1502681), (17, 1237502), (34, 618751), (37, 568582), (74, 284291), (119, 176786), (238, 88393), (259, 81226), (518, 40613), (629, 33446), (1258, 16723), (2389, 8806), (4403, 4778)]