21234488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1063}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 22432072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1063, 1816, 2126, 2497, 4252, 4994, 8504, 9988, 11693, 19976, 23386, 46772, 93544, 241301, 482602, 965204, 1930408, 2654311, 5308622, 10617244, 21234488]

約数ペア:

[(1, 21234488), (2, 10617244), (4, 5308622), (8, 2654311), (11, 1930408), (22, 965204), (44, 482602), (88, 241301), (227, 93544), (454, 46772), (908, 23386), (1063, 19976), (1816, 11693), (2126, 9988), (2497, 8504), (4252, 4994)]