21988547997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{18119}}^1$

素因数の和:18230

約数の個数: 48

約数和(自身を含む): 33585202560

約数和(自身を除く): 11596654563

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 377, 481, 841, 1073, 1131, 1443, 2523, 3219, 10933, 13949, 18119, 31117, 32799, 41847, 54357, 93351, 235547, 404521, 525451, 670403, 706641, 1213563, 1576353, 2011209, 6830863, 8715239, 15238079, 19441687, 20492589, 26145717, 45714237, 58325061, 198095027, 252741931, 563808923, 594285081, 758225793, 1691426769, 7329515999, 21988547997]

約数ペア:

[(1, 21988547997), (3, 7329515999), (13, 1691426769), (29, 758225793), (37, 594285081), (39, 563808923), (87, 252741931), (111, 198095027), (377, 58325061), (481, 45714237), (841, 26145717), (1073, 20492589), (1131, 19441687), (1443, 15238079), (2523, 8715239), (3219, 6830863), (10933, 2011209), (13949, 1576353), (18119, 1213563), (31117, 706641), (32799, 670403), (41847, 525451), (54357, 404521), (93351, 235547)]