21325976

素因数分解:

$2^3\times 7^2\times {\mathrm{54403}}^1$

素因数の和:54423

約数の個数: 24

約数和(自身を含む): 46515420

約数和(自身を除く): 25189444

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54403, 108806, 217612, 380821, 435224, 761642, 1523284, 2665747, 3046568, 5331494, 10662988, 21325976]

約数ペア:

[(1, 21325976), (2, 10662988), (4, 5331494), (7, 3046568), (8, 2665747), (14, 1523284), (28, 761642), (49, 435224), (56, 380821), (98, 217612), (196, 108806), (392, 54403)]