21221446

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13246394

約数列:

[1, 2, 29, 43, 58, 67, 86, 127, 134, 254, 1247, 1943, 2494, 2881, 3683, 3886, 5461, 5762, 7366, 8509, 10922, 17018, 83549, 158369, 167098, 246761, 316738, 365887, 493522, 731774, 10610723, 21221446]

約数ペア:

[(1, 21221446), (2, 10610723), (29, 731774), (43, 493522), (58, 365887), (67, 316738), (86, 246761), (127, 167098), (134, 158369), (254, 83549), (1247, 17018), (1943, 10922), (2494, 8509), (2881, 7366), (3683, 5762), (3886, 5461)]