21826948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3508

約数の個数: 36

約数和(自身を含む): 45227980

約数和(自身を除く): 23401032

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3469, 6292, 6938, 13876, 38159, 45097, 76318, 90194, 152636, 180388, 419749, 496067, 839498, 992134, 1678996, 1984268, 5456737, 10913474, 21826948]

約数ペア:

[(1, 21826948), (2, 10913474), (4, 5456737), (11, 1984268), (13, 1678996), (22, 992134), (26, 839498), (44, 496067), (52, 419749), (121, 180388), (143, 152636), (242, 90194), (286, 76318), (484, 45097), (572, 38159), (1573, 13876), (3146, 6938), (3469, 6292)]