21960448

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:912

約数の個数: 36

約数和(自身を含む): 44293480

約数和(自身を除く): 22333032

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 787, 872, 1574, 1744, 3148, 3488, 6296, 6976, 12592, 13952, 25184, 27904, 50368, 85783, 100736, 171566, 201472, 343132, 686264, 1372528, 2745056, 5490112, 10980224, 21960448]

約数ペア:

[(1, 21960448), (2, 10980224), (4, 5490112), (8, 2745056), (16, 1372528), (32, 686264), (64, 343132), (109, 201472), (128, 171566), (218, 100736), (256, 85783), (436, 50368), (787, 27904), (872, 25184), (1574, 13952), (1744, 12592), (3148, 6976), (3488, 6296)]