21380458864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1259}}^1\times {\mathrm{46147}}^1$

素因数の和:47437

約数の個数: 40

約数和(自身を含む): 43260981120

約数和(自身を除く): 21880522256

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1259, 2518, 5036, 10072, 20144, 28957, 46147, 57914, 92294, 115828, 184588, 231656, 369176, 463312, 738352, 1061381, 2122762, 4245524, 8491048, 16982096, 58099073, 116198146, 232396292, 464792584, 929585168, 1336278679, 2672557358, 5345114716, 10690229432, 21380458864]

約数ペア:

[(1, 21380458864), (2, 10690229432), (4, 5345114716), (8, 2672557358), (16, 1336278679), (23, 929585168), (46, 464792584), (92, 232396292), (184, 116198146), (368, 58099073), (1259, 16982096), (2518, 8491048), (5036, 4245524), (10072, 2122762), (20144, 1061381), (28957, 738352), (46147, 463312), (57914, 369176), (92294, 231656), (115828, 184588)]