21392946

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4519}}^1$

素因数の和:4790

約数の個数: 24

約数和(自身を含む): 46537920

約数和(自身を除く): 25144974

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4519, 4734, 9038, 13557, 27114, 40671, 81342, 1188497, 2376994, 3565491, 7130982, 10696473, 21392946]

約数ペア:

[(1, 21392946), (2, 10696473), (3, 7130982), (6, 3565491), (9, 2376994), (18, 1188497), (263, 81342), (526, 40671), (789, 27114), (1578, 13557), (2367, 9038), (4519, 4734)]