21855324

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 52670240

約数和(自身を除く): 30814916

約数列:

[1, 2, 3, 4, 6, 12, 61, 73, 122, 146, 183, 219, 244, 292, 366, 409, 438, 732, 818, 876, 1227, 1636, 2454, 4453, 4908, 8906, 13359, 17812, 24949, 26718, 29857, 49898, 53436, 59714, 74847, 89571, 99796, 119428, 149694, 179142, 299388, 358284, 1821277, 3642554, 5463831, 7285108, 10927662, 21855324]

約数ペア:

[(1, 21855324), (2, 10927662), (3, 7285108), (4, 5463831), (6, 3642554), (12, 1821277), (61, 358284), (73, 299388), (122, 179142), (146, 149694), (183, 119428), (219, 99796), (244, 89571), (292, 74847), (366, 59714), (409, 53436), (438, 49898), (732, 29857), (818, 26718), (876, 24949), (1227, 17812), (1636, 13359), (2454, 8906), (4453, 4908)]