21393414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169789}}^1$

素因数の和:169804

約数の個数: 24

約数和(自身を含む): 52974480

約数和(自身を除く): 31581066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169789, 339578, 509367, 1018734, 1188523, 1528101, 2377046, 3056202, 3565569, 7131138, 10696707, 21393414]

約数ペア:

[(1, 21393414), (2, 10696707), (3, 7131138), (6, 3565569), (7, 3056202), (9, 2377046), (14, 1528101), (18, 1188523), (21, 1018734), (42, 509367), (63, 339578), (126, 169789)]