21474726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 54340608

約数和(自身を除く): 32865882

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1063, 1443, 1554, 2126, 2886, 3189, 3367, 6378, 6734, 7441, 10101, 13819, 14882, 20202, 22323, 27638, 39331, 41457, 44646, 78662, 82914, 96733, 117993, 193466, 235986, 275317, 290199, 511303, 550634, 580398, 825951, 1022606, 1533909, 1651902, 3067818, 3579121, 7158242, 10737363, 21474726]

約数ペア:

[(1, 21474726), (2, 10737363), (3, 7158242), (6, 3579121), (7, 3067818), (13, 1651902), (14, 1533909), (21, 1022606), (26, 825951), (37, 580398), (39, 550634), (42, 511303), (74, 290199), (78, 275317), (91, 235986), (111, 193466), (182, 117993), (222, 96733), (259, 82914), (273, 78662), (481, 44646), (518, 41457), (546, 39331), (777, 27638), (962, 22323), (1063, 20202), (1443, 14882), (1554, 13819), (2126, 10101), (2886, 7441), (3189, 6734), (3367, 6378)]