21872556

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{3181}}^1$

素因数の和:3382

約数の個数: 36

約数和(自身を含む): 55595904

約数和(自身を除く): 33723348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3181, 3438, 6362, 6876, 9543, 12724, 19086, 28629, 38172, 57258, 114516, 607571, 1215142, 1822713, 2430284, 3645426, 5468139, 7290852, 10936278, 21872556]

約数ペア:

[(1, 21872556), (2, 10936278), (3, 7290852), (4, 5468139), (6, 3645426), (9, 2430284), (12, 1822713), (18, 1215142), (36, 607571), (191, 114516), (382, 57258), (573, 38172), (764, 28629), (1146, 19086), (1719, 12724), (2292, 9543), (3181, 6876), (3438, 6362)]