21604672

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 56

約数和(自身を含む): 45821600

約数和(自身を除く): 24216928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 152, 163, 218, 304, 326, 436, 608, 652, 872, 1216, 1304, 1744, 2071, 2608, 3097, 3488, 4142, 5216, 6194, 6976, 8284, 10432, 12388, 16568, 17767, 24776, 33136, 35534, 49552, 66272, 71068, 99104, 132544, 142136, 198208, 284272, 337573, 568544, 675146, 1137088, 1350292, 2700584, 5401168, 10802336, 21604672]

約数ペア:

[(1, 21604672), (2, 10802336), (4, 5401168), (8, 2700584), (16, 1350292), (19, 1137088), (32, 675146), (38, 568544), (64, 337573), (76, 284272), (109, 198208), (152, 142136), (163, 132544), (218, 99104), (304, 71068), (326, 66272), (436, 49552), (608, 35534), (652, 33136), (872, 24776), (1216, 17767), (1304, 16568), (1744, 12388), (2071, 10432), (2608, 8284), (3097, 6976), (3488, 6194), (4142, 5216)]