21371454

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91331}}^1$

素因数の和:91352

約数の個数: 24

約数和(自身を含む): 49867272

約数和(自身を除く): 28495818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91331, 182662, 273993, 547986, 821979, 1187303, 1643958, 2374606, 3561909, 7123818, 10685727, 21371454]

約数ペア:

[(1, 21371454), (2, 10685727), (3, 7123818), (6, 3561909), (9, 2374606), (13, 1643958), (18, 1187303), (26, 821979), (39, 547986), (78, 273993), (117, 182662), (234, 91331)]