21068848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2671}}^1$

素因数の和:2725

約数の個数: 40

約数和(自身を含む): 44729280

約数和(自身を除く): 23660432

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2671, 3944, 5342, 7888, 10684, 21368, 42736, 45407, 77459, 90814, 154918, 181628, 309836, 363256, 619672, 726512, 1239344, 1316803, 2633606, 5267212, 10534424, 21068848]

約数ペア:

[(1, 21068848), (2, 10534424), (4, 5267212), (8, 2633606), (16, 1316803), (17, 1239344), (29, 726512), (34, 619672), (58, 363256), (68, 309836), (116, 181628), (136, 154918), (232, 90814), (272, 77459), (464, 45407), (493, 42736), (986, 21368), (1972, 10684), (2671, 7888), (3944, 5342)]