21176142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271489}}^1$

素因数の和:271507

約数の個数: 16

約数和(自身を含む): 45610320

約数和(自身を除く): 24434178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271489, 542978, 814467, 1628934, 3529357, 7058714, 10588071, 21176142]

約数ペア:

[(1, 21176142), (2, 10588071), (3, 7058714), (6, 3529357), (13, 1628934), (26, 814467), (39, 542978), (78, 271489)]