21895308

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4789}}^1$

素因数の和:4926

約数の個数: 36

約数和(自身を含む): 55793920

約数和(自身を除く): 33898612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4789, 9578, 14367, 19156, 28734, 43101, 57468, 86202, 172404, 608203, 1216406, 1824609, 2432812, 3649218, 5473827, 7298436, 10947654, 21895308]

約数ペア:

[(1, 21895308), (2, 10947654), (3, 7298436), (4, 5473827), (6, 3649218), (9, 2432812), (12, 1824609), (18, 1216406), (36, 608203), (127, 172404), (254, 86202), (381, 57468), (508, 43101), (762, 28734), (1143, 19156), (1524, 14367), (2286, 9578), (4572, 4789)]