21753336

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 43254024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 37, 44, 51, 66, 68, 74, 88, 102, 111, 131, 132, 136, 148, 187, 204, 222, 262, 264, 296, 374, 393, 407, 408, 444, 524, 561, 629, 748, 786, 814, 888, 1048, 1122, 1221, 1258, 1441, 1496, 1572, 1628, 1887, 2227, 2244, 2442, 2516, 2882, 3144, 3256, 3774, 4323, 4454, 4488, 4847, 4884, 5032, 5764, 6681, 6919, 7548, 8646, 8908, 9694, 9768, 11528, 13362, 13838, 14541, 15096, 17292, 17816, 19388, 20757, 24497, 26724, 27676, 29082, 34584, 38776, 41514, 48994, 53317, 53448, 55352, 58164, 73491, 82399, 83028, 97988, 106634, 116328, 146982, 159951, 164798, 166056, 195976, 213268, 247197, 293964, 319902, 329596, 426536, 494394, 587928, 639804, 659192, 906389, 988788, 1279608, 1812778, 1977576, 2719167, 3625556, 5438334, 7251112, 10876668, 21753336]

約数ペア:

[(1, 21753336), (2, 10876668), (3, 7251112), (4, 5438334), (6, 3625556), (8, 2719167), (11, 1977576), (12, 1812778), (17, 1279608), (22, 988788), (24, 906389), (33, 659192), (34, 639804), (37, 587928), (44, 494394), (51, 426536), (66, 329596), (68, 319902), (74, 293964), (88, 247197), (102, 213268), (111, 195976), (131, 166056), (132, 164798), (136, 159951), (148, 146982), (187, 116328), (204, 106634), (222, 97988), (262, 83028), (264, 82399), (296, 73491), (374, 58164), (393, 55352), (407, 53448), (408, 53317), (444, 48994), (524, 41514), (561, 38776), (629, 34584), (748, 29082), (786, 27676), (814, 26724), (888, 24497), (1048, 20757), (1122, 19388), (1221, 17816), (1258, 17292), (1441, 15096), (1496, 14541), (1572, 13838), (1628, 13362), (1887, 11528), (2227, 9768), (2244, 9694), (2442, 8908), (2516, 8646), (2882, 7548), (3144, 6919), (3256, 6681), (3774, 5764), (4323, 5032), (4454, 4884), (4488, 4847)]