21569056

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 24879584

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1279, 2108, 2558, 4216, 5116, 8432, 10232, 16864, 20464, 21743, 39649, 40928, 43486, 79298, 86972, 158596, 173944, 317192, 347888, 634384, 674033, 695776, 1268768, 1348066, 2696132, 5392264, 10784528, 21569056]

約数ペア:

[(1, 21569056), (2, 10784528), (4, 5392264), (8, 2696132), (16, 1348066), (17, 1268768), (31, 695776), (32, 674033), (34, 634384), (62, 347888), (68, 317192), (124, 173944), (136, 158596), (248, 86972), (272, 79298), (496, 43486), (527, 40928), (544, 39649), (992, 21743), (1054, 20464), (1279, 16864), (2108, 10232), (2558, 8432), (4216, 5116)]