21729121088

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{103291}}^1$

素因数の和:103495

約数の個数: 56

約数和(自身を含む): 45650932320

約数和(自身を除く): 23921811232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 173, 304, 346, 608, 692, 1216, 1384, 2768, 3287, 5536, 6574, 11072, 13148, 26296, 52592, 103291, 105184, 206582, 210368, 413164, 826328, 1652656, 1962529, 3305312, 3925058, 6610624, 7850116, 15700232, 17869343, 31400464, 35738686, 62800928, 71477372, 125601856, 142954744, 285909488, 339517517, 571818976, 679035034, 1143637952, 1358070068, 2716140136, 5432280272, 10864560544, 21729121088]

約数ペア:

[(1, 21729121088), (2, 10864560544), (4, 5432280272), (8, 2716140136), (16, 1358070068), (19, 1143637952), (32, 679035034), (38, 571818976), (64, 339517517), (76, 285909488), (152, 142954744), (173, 125601856), (304, 71477372), (346, 62800928), (608, 35738686), (692, 31400464), (1216, 17869343), (1384, 15700232), (2768, 7850116), (3287, 6610624), (5536, 3925058), (6574, 3305312), (11072, 1962529), (13148, 1652656), (26296, 826328), (52592, 413164), (103291, 210368), (105184, 206582)]