21711638884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{88969}}^1$

素因数の和:89037

約数の個数: 54

約数和(自身を含む): 43422787170

約数和(自身を除く): 21711148286

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 361, 494, 676, 722, 988, 1444, 3211, 4693, 6422, 9386, 12844, 18772, 61009, 88969, 122018, 177938, 244036, 355876, 1156597, 1690411, 2313194, 3380822, 4626388, 6761644, 15035761, 21975343, 30071522, 32117809, 43950686, 60143044, 64235618, 87901372, 128471236, 285679459, 417531517, 571358918, 835063034, 1142717836, 1670126068, 5427909721, 10855819442, 21711638884]

約数ペア:

[(1, 21711638884), (2, 10855819442), (4, 5427909721), (13, 1670126068), (19, 1142717836), (26, 835063034), (38, 571358918), (52, 417531517), (76, 285679459), (169, 128471236), (247, 87901372), (338, 64235618), (361, 60143044), (494, 43950686), (676, 32117809), (722, 30071522), (988, 21975343), (1444, 15035761), (3211, 6761644), (4693, 4626388), (6422, 3380822), (9386, 2313194), (12844, 1690411), (18772, 1156597), (61009, 355876), (88969, 244036), (122018, 177938)]