21266668

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 17012132

約数列:

[1, 2, 4, 59, 97, 118, 194, 236, 388, 929, 1858, 3716, 5723, 11446, 22892, 54811, 90113, 109622, 180226, 219244, 360452, 5316667, 10633334, 21266668]

約数ペア:

[(1, 21266668), (2, 10633334), (4, 5316667), (59, 360452), (97, 219244), (118, 180226), (194, 109622), (236, 90113), (388, 54811), (929, 22892), (1858, 11446), (3716, 5723)]