21639226

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37699}}^1$

素因数の和:37749

約数の個数: 16

約数和(自身を含む): 38001600

約数和(自身を除く): 16362374

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 37699, 75398, 263893, 527786, 1545659, 3091318, 10819613, 21639226]

約数ペア:

[(1, 21639226), (2, 10819613), (7, 3091318), (14, 1545659), (41, 527786), (82, 263893), (287, 75398), (574, 37699)]