21115272

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{14423}}^1$

素因数の和:14493

約数の個数: 32

約数和(自身を含む): 53657280

約数和(自身を除く): 32542008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 14423, 28846, 43269, 57692, 86538, 115384, 173076, 346152, 879803, 1759606, 2639409, 3519212, 5278818, 7038424, 10557636, 21115272]

約数ペア:

[(1, 21115272), (2, 10557636), (3, 7038424), (4, 5278818), (6, 3519212), (8, 2639409), (12, 1759606), (24, 879803), (61, 346152), (122, 173076), (183, 115384), (244, 86538), (366, 57692), (488, 43269), (732, 28846), (1464, 14423)]