21142392

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 56224800

約数和(自身を除く): 35082408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 696, 821, 888, 1073, 1642, 2146, 2463, 3219, 3284, 4292, 4926, 6438, 6568, 8584, 9852, 12876, 19704, 23809, 25752, 30377, 47618, 60754, 71427, 91131, 95236, 121508, 142854, 182262, 190472, 243016, 285708, 364524, 571416, 729048, 880933, 1761866, 2642799, 3523732, 5285598, 7047464, 10571196, 21142392]

約数ペア:

[(1, 21142392), (2, 10571196), (3, 7047464), (4, 5285598), (6, 3523732), (8, 2642799), (12, 1761866), (24, 880933), (29, 729048), (37, 571416), (58, 364524), (74, 285708), (87, 243016), (111, 190472), (116, 182262), (148, 142854), (174, 121508), (222, 95236), (232, 91131), (296, 71427), (348, 60754), (444, 47618), (696, 30377), (821, 25752), (888, 23809), (1073, 19704), (1642, 12876), (2146, 9852), (2463, 8584), (3219, 6568), (3284, 6438), (4292, 4926)]