21671569328

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{1117}}^1\times {\mathrm{3359}}^1$

素因数の和:4522

約数の個数: 60

約数和(自身を含む): 44367785280

約数和(自身を除く): 22696215952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1117, 1444, 2234, 2888, 3359, 4468, 5776, 6718, 8936, 13436, 17872, 21223, 26872, 42446, 53744, 63821, 84892, 127642, 169784, 255284, 339568, 403237, 510568, 806474, 1021136, 1212599, 1612948, 2425198, 3225896, 3752003, 4850396, 6451792, 7504006, 9700792, 15008012, 19401584, 30016024, 60032048, 71288057, 142576114, 285152228, 570304456, 1140608912, 1354473083, 2708946166, 5417892332, 10835784664, 21671569328]

約数ペア:

[(1, 21671569328), (2, 10835784664), (4, 5417892332), (8, 2708946166), (16, 1354473083), (19, 1140608912), (38, 570304456), (76, 285152228), (152, 142576114), (304, 71288057), (361, 60032048), (722, 30016024), (1117, 19401584), (1444, 15008012), (2234, 9700792), (2888, 7504006), (3359, 6451792), (4468, 4850396), (5776, 3752003), (6718, 3225896), (8936, 2425198), (13436, 1612948), (17872, 1212599), (21223, 1021136), (26872, 806474), (42446, 510568), (53744, 403237), (63821, 339568), (84892, 255284), (127642, 169784)]