21454116

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 53457600

約数和(自身を除く): 32003484

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1289, 1387, 2578, 2774, 3867, 4161, 5156, 5548, 7734, 8322, 15468, 16644, 24491, 48982, 73473, 94097, 97964, 146946, 188194, 282291, 293892, 376388, 564582, 1129164, 1787843, 3575686, 5363529, 7151372, 10727058, 21454116]

約数ペア:

[(1, 21454116), (2, 10727058), (3, 7151372), (4, 5363529), (6, 3575686), (12, 1787843), (19, 1129164), (38, 564582), (57, 376388), (73, 293892), (76, 282291), (114, 188194), (146, 146946), (219, 97964), (228, 94097), (292, 73473), (438, 48982), (876, 24491), (1289, 16644), (1387, 15468), (2578, 8322), (2774, 7734), (3867, 5548), (4161, 5156)]