21247812

素因数分解:

$2^2\times 3^3\times {\mathrm{196739}}^1$

素因数の和:196752

約数の個数: 24

約数和(自身を含む): 55087200

約数和(自身を除く): 33839388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 196739, 393478, 590217, 786956, 1180434, 1770651, 2360868, 3541302, 5311953, 7082604, 10623906, 21247812]

約数ペア:

[(1, 21247812), (2, 10623906), (3, 7082604), (4, 5311953), (6, 3541302), (9, 2360868), (12, 1770651), (18, 1180434), (27, 786956), (36, 590217), (54, 393478), (108, 196739)]