21909622

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 40826880

約数和(自身を除く): 18917258

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 2657, 4123, 5314, 8246, 18599, 37198, 50483, 82367, 100966, 164734, 353381, 576569, 706762, 1153138, 1564973, 3129946, 10954811, 21909622]

約数ペア:

[(1, 21909622), (2, 10954811), (7, 3129946), (14, 1564973), (19, 1153138), (31, 706762), (38, 576569), (62, 353381), (133, 164734), (217, 100966), (266, 82367), (434, 50483), (589, 37198), (1178, 18599), (2657, 8246), (4123, 5314)]