21231364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2377}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 47940480

約数和(自身を除く): 26709116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2377, 4466, 4754, 8932, 9508, 16639, 26147, 33278, 52294, 66556, 68933, 104588, 137866, 183029, 275732, 366058, 482531, 732116, 758263, 965062, 1516526, 1930124, 3033052, 5307841, 10615682, 21231364]

約数ペア:

[(1, 21231364), (2, 10615682), (4, 5307841), (7, 3033052), (11, 1930124), (14, 1516526), (22, 965062), (28, 758263), (29, 732116), (44, 482531), (58, 366058), (77, 275732), (116, 183029), (154, 137866), (203, 104588), (308, 68933), (319, 66556), (406, 52294), (638, 33278), (812, 26147), (1276, 16639), (2233, 9508), (2377, 8932), (4466, 4754)]