21335238

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 51853824

約数和(自身を除く): 30518586

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 61, 81, 102, 122, 127, 153, 162, 183, 254, 306, 366, 381, 459, 549, 762, 918, 1037, 1098, 1143, 1377, 1647, 2074, 2159, 2286, 2754, 3111, 3294, 3429, 4318, 4941, 6222, 6477, 6858, 7747, 9333, 9882, 10287, 12954, 15494, 18666, 19431, 20574, 23241, 27999, 38862, 46482, 55998, 58293, 69723, 83997, 116586, 131699, 139446, 167994, 174879, 209169, 263398, 349758, 395097, 418338, 627507, 790194, 1185291, 1255014, 2370582, 3555873, 7111746, 10667619, 21335238]

約数ペア:

[(1, 21335238), (2, 10667619), (3, 7111746), (6, 3555873), (9, 2370582), (17, 1255014), (18, 1185291), (27, 790194), (34, 627507), (51, 418338), (54, 395097), (61, 349758), (81, 263398), (102, 209169), (122, 174879), (127, 167994), (153, 139446), (162, 131699), (183, 116586), (254, 83997), (306, 69723), (366, 58293), (381, 55998), (459, 46482), (549, 38862), (762, 27999), (918, 23241), (1037, 20574), (1098, 19431), (1143, 18666), (1377, 15494), (1647, 12954), (2074, 10287), (2159, 9882), (2286, 9333), (2754, 7747), (3111, 6858), (3294, 6477), (3429, 6222), (4318, 4941)]