21053208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4728

約数の個数: 64

約数和(自身を含む): 60808320

約数和(自身を除く): 39755112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4691, 9382, 14073, 18764, 28146, 37528, 51601, 56292, 79747, 103202, 112584, 154803, 159494, 206404, 239241, 309606, 318988, 412808, 478482, 619212, 637976, 877217, 956964, 1238424, 1754434, 1913928, 2631651, 3508868, 5263302, 7017736, 10526604, 21053208]

約数ペア:

[(1, 21053208), (2, 10526604), (3, 7017736), (4, 5263302), (6, 3508868), (8, 2631651), (11, 1913928), (12, 1754434), (17, 1238424), (22, 956964), (24, 877217), (33, 637976), (34, 619212), (44, 478482), (51, 412808), (66, 318988), (68, 309606), (88, 239241), (102, 206404), (132, 159494), (136, 154803), (187, 112584), (204, 103202), (264, 79747), (374, 56292), (408, 51601), (561, 37528), (748, 28146), (1122, 18764), (1496, 14073), (2244, 9382), (4488, 4691)]