21548164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{211}}^2$

素因数の和:448

約数の個数: 27

約数和(自身を含む): 41646423

約数和(自身を除く): 20098259

約数列:

[1, 2, 4, 11, 22, 44, 121, 211, 242, 422, 484, 844, 2321, 4642, 9284, 25531, 44521, 51062, 89042, 102124, 178084, 489731, 979462, 1958924, 5387041, 10774082, 21548164]

約数ペア:

[(1, 21548164), (2, 10774082), (4, 5387041), (11, 1958924), (22, 979462), (44, 489731), (121, 178084), (211, 102124), (242, 89042), (422, 51062), (484, 44521), (844, 25531), (2321, 9284)]