21273434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 39553920

約数和(自身を除く): 18280486

約数列:

[1, 2, 7, 13, 14, 26, 91, 179, 182, 358, 653, 1253, 1306, 2327, 2506, 4571, 4654, 8489, 9142, 16289, 16978, 32578, 59423, 116887, 118846, 233774, 818209, 1519531, 1636418, 3039062, 10636717, 21273434]

約数ペア:

[(1, 21273434), (2, 10636717), (7, 3039062), (13, 1636418), (14, 1519531), (26, 818209), (91, 233774), (179, 118846), (182, 116887), (358, 59423), (653, 32578), (1253, 16978), (1306, 16289), (2327, 9142), (2506, 8489), (4571, 4654)]