21164676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135671}}^1$

素因数の和:135691

約数の個数: 24

約数和(自身を含む): 53183424

約数和(自身を除く): 32018748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135671, 271342, 407013, 542684, 814026, 1628052, 1763723, 3527446, 5291169, 7054892, 10582338, 21164676]

約数ペア:

[(1, 21164676), (2, 10582338), (3, 7054892), (4, 5291169), (6, 3527446), (12, 1763723), (13, 1628052), (26, 814026), (39, 542684), (52, 407013), (78, 271342), (156, 135671)]