21768136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5657}}^1$

素因数の和:5713

約数の個数: 32

約数和(自身を含む): 45150840

約数和(自身を除く): 23382704

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5657, 11314, 22628, 45256, 73541, 147082, 209309, 294164, 418618, 588328, 837236, 1674472, 2721017, 5442034, 10884068, 21768136]

約数ペア:

[(1, 21768136), (2, 10884068), (4, 5442034), (8, 2721017), (13, 1674472), (26, 837236), (37, 588328), (52, 418618), (74, 294164), (104, 209309), (148, 147082), (296, 73541), (481, 45256), (962, 22628), (1924, 11314), (3848, 5657)]