21790458

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4384

約数の個数: 40

約数和(自身を含む): 50413440

約数和(自身を除く): 28622982

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4339, 5022, 8678, 13017, 26034, 39051, 78102, 117153, 134509, 234306, 269018, 351459, 403527, 702918, 807054, 1210581, 2421162, 3631743, 7263486, 10895229, 21790458]

約数ペア:

[(1, 21790458), (2, 10895229), (3, 7263486), (6, 3631743), (9, 2421162), (18, 1210581), (27, 807054), (31, 702918), (54, 403527), (62, 351459), (81, 269018), (93, 234306), (162, 134509), (186, 117153), (279, 78102), (558, 39051), (837, 26034), (1674, 13017), (2511, 8678), (4339, 5022)]