21048918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 46986240

約数和(自身を除く): 25937322

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 121, 158, 237, 242, 363, 367, 474, 726, 734, 869, 1101, 1738, 2202, 2607, 4037, 5214, 8074, 9559, 12111, 19118, 24222, 28677, 28993, 44407, 57354, 57986, 86979, 88814, 133221, 173958, 266442, 318923, 637846, 956769, 1913538, 3508153, 7016306, 10524459, 21048918]

約数ペア:

[(1, 21048918), (2, 10524459), (3, 7016306), (6, 3508153), (11, 1913538), (22, 956769), (33, 637846), (66, 318923), (79, 266442), (121, 173958), (158, 133221), (237, 88814), (242, 86979), (363, 57986), (367, 57354), (474, 44407), (726, 28993), (734, 28677), (869, 24222), (1101, 19118), (1738, 12111), (2202, 9559), (2607, 8074), (4037, 5214)]