21351444478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1\times {\mathrm{2243}}^1$

素因数の和:2729

約数の個数: 64

約数和(自身を含む): 39786227712

約数和(自身を除く): 18434783234

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 193, 271, 386, 542, 1351, 1897, 2243, 2509, 2702, 3523, 3794, 4486, 5018, 7046, 15701, 17563, 24661, 29159, 31402, 35126, 49322, 52303, 58318, 104606, 204113, 366121, 408226, 432899, 607853, 679939, 732242, 865798, 1215706, 1359878, 3030293, 4254971, 4759573, 5627687, 6060586, 7902089, 8509942, 9519146, 11255374, 15804178, 39393809, 55314623, 78787618, 110629246, 117315629, 234631258, 821209403, 1525103177, 1642418806, 3050206354, 10675722239, 21351444478]

約数ペア:

[(1, 21351444478), (2, 10675722239), (7, 3050206354), (13, 1642418806), (14, 1525103177), (26, 821209403), (91, 234631258), (182, 117315629), (193, 110629246), (271, 78787618), (386, 55314623), (542, 39393809), (1351, 15804178), (1897, 11255374), (2243, 9519146), (2509, 8509942), (2702, 7902089), (3523, 6060586), (3794, 5627687), (4486, 4759573), (5018, 4254971), (7046, 3030293), (15701, 1359878), (17563, 1215706), (24661, 865798), (29159, 732242), (31402, 679939), (35126, 607853), (49322, 432899), (52303, 408226), (58318, 366121), (104606, 204113)]