21707504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:922

約数の個数: 80

約数和(自身を含む): 54871488

約数和(自身を除く): 33163984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 877, 884, 952, 1456, 1547, 1754, 1768, 1904, 3094, 3508, 3536, 6139, 6188, 7016, 11401, 12278, 12376, 14032, 14909, 22802, 24556, 24752, 29818, 45604, 49112, 59636, 79807, 91208, 98224, 104363, 119272, 159614, 182416, 193817, 208726, 238544, 319228, 387634, 417452, 638456, 775268, 834904, 1276912, 1356719, 1550536, 1669808, 2713438, 3101072, 5426876, 10853752, 21707504]

約数ペア:

[(1, 21707504), (2, 10853752), (4, 5426876), (7, 3101072), (8, 2713438), (13, 1669808), (14, 1550536), (16, 1356719), (17, 1276912), (26, 834904), (28, 775268), (34, 638456), (52, 417452), (56, 387634), (68, 319228), (91, 238544), (104, 208726), (112, 193817), (119, 182416), (136, 159614), (182, 119272), (208, 104363), (221, 98224), (238, 91208), (272, 79807), (364, 59636), (442, 49112), (476, 45604), (728, 29818), (877, 24752), (884, 24556), (952, 22802), (1456, 14909), (1547, 14032), (1754, 12376), (1768, 12278), (1904, 11401), (3094, 7016), (3508, 6188), (3536, 6139)]