21673566

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 49920000

約数和(自身を除く): 28246434

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 127, 171, 254, 342, 381, 499, 762, 998, 1143, 1497, 2286, 2413, 2994, 4491, 4826, 7239, 8982, 9481, 14478, 18962, 21717, 28443, 43434, 56886, 63373, 85329, 126746, 170658, 190119, 380238, 570357, 1140714, 1204087, 2408174, 3612261, 7224522, 10836783, 21673566]

約数ペア:

[(1, 21673566), (2, 10836783), (3, 7224522), (6, 3612261), (9, 2408174), (18, 1204087), (19, 1140714), (38, 570357), (57, 380238), (114, 190119), (127, 170658), (171, 126746), (254, 85329), (342, 63373), (381, 56886), (499, 43434), (762, 28443), (998, 21717), (1143, 18962), (1497, 14478), (2286, 9481), (2413, 8982), (2994, 7239), (4491, 4826)]