21981468

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 32321508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 1091, 1679, 2182, 3273, 3358, 4364, 5037, 6546, 6716, 10074, 13092, 20148, 25093, 50186, 75279, 79643, 100372, 150558, 159286, 238929, 301116, 318572, 477858, 955716, 1831789, 3663578, 5495367, 7327156, 10990734, 21981468]

約数ペア:

[(1, 21981468), (2, 10990734), (3, 7327156), (4, 5495367), (6, 3663578), (12, 1831789), (23, 955716), (46, 477858), (69, 318572), (73, 301116), (92, 238929), (138, 159286), (146, 150558), (219, 100372), (276, 79643), (292, 75279), (438, 50186), (876, 25093), (1091, 20148), (1679, 13092), (2182, 10074), (3273, 6716), (3358, 6546), (4364, 5037)]