21110026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 38747520

約数和(自身を除く): 17637494

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 1301, 2318, 2602, 8113, 9107, 16226, 18214, 24719, 49438, 79361, 158722, 173033, 346066, 555527, 1111054, 1507859, 3015718, 10555013, 21110026]

約数ペア:

[(1, 21110026), (2, 10555013), (7, 3015718), (14, 1507859), (19, 1111054), (38, 555527), (61, 346066), (122, 173033), (133, 158722), (266, 79361), (427, 49438), (854, 24719), (1159, 18214), (1301, 16226), (2318, 9107), (2602, 8113)]