21145234

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 16775726

約数列:

[1, 2, 11, 22, 23, 29, 46, 58, 121, 131, 242, 253, 262, 319, 506, 638, 667, 1334, 1441, 2783, 2882, 3013, 3509, 3799, 5566, 6026, 7018, 7337, 7598, 14674, 15851, 31702, 33143, 41789, 66286, 80707, 83578, 87377, 161414, 174754, 364573, 459679, 729146, 919358, 961147, 1922294, 10572617, 21145234]

約数ペア:

[(1, 21145234), (2, 10572617), (11, 1922294), (22, 961147), (23, 919358), (29, 729146), (46, 459679), (58, 364573), (121, 174754), (131, 161414), (242, 87377), (253, 83578), (262, 80707), (319, 66286), (506, 41789), (638, 33143), (667, 31702), (1334, 15851), (1441, 14674), (2783, 7598), (2882, 7337), (3013, 7018), (3509, 6026), (3799, 5566)]