21221628

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 29871876

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 191, 197, 282, 382, 394, 564, 573, 591, 764, 788, 1146, 1182, 2292, 2364, 8977, 9259, 17954, 18518, 26931, 27777, 35908, 37036, 37627, 53862, 55554, 75254, 107724, 111108, 112881, 150508, 225762, 451524, 1768469, 3536938, 5305407, 7073876, 10610814, 21221628]

約数ペア:

[(1, 21221628), (2, 10610814), (3, 7073876), (4, 5305407), (6, 3536938), (12, 1768469), (47, 451524), (94, 225762), (141, 150508), (188, 112881), (191, 111108), (197, 107724), (282, 75254), (382, 55554), (394, 53862), (564, 37627), (573, 37036), (591, 35908), (764, 27777), (788, 26931), (1146, 18518), (1182, 17954), (2292, 9259), (2364, 8977)]