21903714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173839}}^1$

素因数の和:173854

約数の個数: 24

約数和(自身を含む): 54238080

約数和(自身を除く): 32334366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173839, 347678, 521517, 1043034, 1216873, 1564551, 2433746, 3129102, 3650619, 7301238, 10951857, 21903714]

約数ペア:

[(1, 21903714), (2, 10951857), (3, 7301238), (6, 3650619), (7, 3129102), (9, 2433746), (14, 1564551), (18, 1216873), (21, 1043034), (42, 521517), (63, 347678), (126, 173839)]