21398754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1093}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 46315584

約数和(自身を除く): 24916830

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 251, 502, 753, 1093, 1506, 2186, 3263, 3279, 6526, 6558, 9789, 14209, 19578, 28418, 42627, 85254, 274343, 548686, 823029, 1646058, 3566459, 7132918, 10699377, 21398754]

約数ペア:

[(1, 21398754), (2, 10699377), (3, 7132918), (6, 3566459), (13, 1646058), (26, 823029), (39, 548686), (78, 274343), (251, 85254), (502, 42627), (753, 28418), (1093, 19578), (1506, 14209), (2186, 9789), (3263, 6558), (3279, 6526)]