21604024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6701}}^1$

素因数の和:6751

約数の個数: 32

約数和(自身を含む): 45037440

約数和(自身を除く): 23433416

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6701, 13402, 26804, 53608, 87113, 174226, 207731, 348452, 415462, 696904, 830924, 1661848, 2700503, 5401006, 10802012, 21604024]

約数ペア:

[(1, 21604024), (2, 10802012), (4, 5401006), (8, 2700503), (13, 1661848), (26, 830924), (31, 696904), (52, 415462), (62, 348452), (104, 207731), (124, 174226), (248, 87113), (403, 53608), (806, 26804), (1612, 13402), (3224, 6701)]