21288838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6121}}^1$

素因数の和:6207

約数の個数: 16

約数和(自身を含む): 33499584

約数和(自身を除く): 12210746

約数列:

[1, 2, 37, 47, 74, 94, 1739, 3478, 6121, 12242, 226477, 287687, 452954, 575374, 10644419, 21288838]

約数ペア:

[(1, 21288838), (2, 10644419), (37, 575374), (47, 452954), (74, 287687), (94, 226477), (1739, 12242), (3478, 6121)]