21061677

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13774803

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 431, 537, 1253, 1293, 2327, 3017, 3759, 5603, 6981, 9051, 16289, 16809, 39221, 48867, 77149, 117663, 231447, 540043, 1002937, 1620129, 3008811, 7020559, 21061677]

約数ペア:

[(1, 21061677), (3, 7020559), (7, 3008811), (13, 1620129), (21, 1002937), (39, 540043), (91, 231447), (179, 117663), (273, 77149), (431, 48867), (537, 39221), (1253, 16809), (1293, 16289), (2327, 9051), (3017, 6981), (3759, 5603)]