21626104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 43290000

約数和(自身を除く): 21663896

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1949, 2774, 3898, 5548, 7796, 11096, 15592, 37031, 74062, 142277, 148124, 284554, 296248, 569108, 1138216, 2703263, 5406526, 10813052, 21626104]

約数ペア:

[(1, 21626104), (2, 10813052), (4, 5406526), (8, 2703263), (19, 1138216), (38, 569108), (73, 296248), (76, 284554), (146, 148124), (152, 142277), (292, 74062), (584, 37031), (1387, 15592), (1949, 11096), (2774, 7796), (3898, 5548)]