21147282

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90373}}^1$

素因数の和:90394

約数の個数: 24

約数和(自身を含む): 49344204

約数和(自身を除く): 28196922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90373, 180746, 271119, 542238, 813357, 1174849, 1626714, 2349698, 3524547, 7049094, 10573641, 21147282]

約数ペア:

[(1, 21147282), (2, 10573641), (3, 7049094), (6, 3524547), (9, 2349698), (13, 1626714), (18, 1174849), (26, 813357), (39, 542238), (78, 271119), (117, 180746), (234, 90373)]