21760786

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 33191424

約数和(自身を除く): 11430638

約数列:

[1, 2, 97, 194, 223, 446, 503, 1006, 21631, 43262, 48791, 97582, 112169, 224338, 10880393, 21760786]

約数ペア:

[(1, 21760786), (2, 10880393), (97, 224338), (194, 112169), (223, 97582), (446, 48791), (503, 43262), (1006, 21631)]