21740026

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 21344774

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 67, 77, 86, 98, 134, 154, 301, 343, 469, 473, 539, 602, 686, 737, 938, 946, 1078, 1474, 2107, 2881, 3283, 3311, 3773, 4214, 5159, 5762, 6566, 6622, 7546, 10318, 14749, 20167, 22981, 23177, 29498, 31691, 36113, 40334, 45962, 46354, 63382, 72226, 141169, 162239, 221837, 252791, 282338, 324478, 443674, 505582, 988183, 1552859, 1976366, 3105718, 10870013, 21740026]

約数ペア:

[(1, 21740026), (2, 10870013), (7, 3105718), (11, 1976366), (14, 1552859), (22, 988183), (43, 505582), (49, 443674), (67, 324478), (77, 282338), (86, 252791), (98, 221837), (134, 162239), (154, 141169), (301, 72226), (343, 63382), (469, 46354), (473, 45962), (539, 40334), (602, 36113), (686, 31691), (737, 29498), (938, 23177), (946, 22981), (1078, 20167), (1474, 14749), (2107, 10318), (2881, 7546), (3283, 6622), (3311, 6566), (3773, 5762), (4214, 5159)]