21921718

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17236

約数の個数: 24

約数和(自身を含む): 41195952

約数和(自身を除く): 19274234

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17207, 34414, 120449, 223691, 240898, 447382, 843143, 1565837, 1686286, 3131674, 10960859, 21921718]

約数ペア:

[(1, 21921718), (2, 10960859), (7, 3131674), (13, 1686286), (14, 1565837), (26, 843143), (49, 447382), (91, 240898), (98, 223691), (182, 120449), (637, 34414), (1274, 17207)]