21122738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6827}}^1$

素因数の和:6866

約数の個数: 32

約数和(自身を含む): 41295744

約数和(自身を除く): 20173006

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6827, 13654, 47789, 88751, 95578, 116059, 177502, 232118, 621257, 812413, 1242514, 1508767, 1624826, 3017534, 10561369, 21122738]

約数ペア:

[(1, 21122738), (2, 10561369), (7, 3017534), (13, 1624826), (14, 1508767), (17, 1242514), (26, 812413), (34, 621257), (91, 232118), (119, 177502), (182, 116059), (221, 95578), (238, 88751), (442, 47789), (1547, 13654), (3094, 6827)]