21516846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 46545408

約数和(自身を除く): 25028562

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 311, 622, 887, 933, 1774, 1866, 2661, 4043, 5322, 8086, 11531, 12129, 23062, 24258, 34593, 69186, 275857, 551714, 827571, 1655142, 3586141, 7172282, 10758423, 21516846]

約数ペア:

[(1, 21516846), (2, 10758423), (3, 7172282), (6, 3586141), (13, 1655142), (26, 827571), (39, 551714), (78, 275857), (311, 69186), (622, 34593), (887, 24258), (933, 23062), (1774, 12129), (1866, 11531), (2661, 8086), (4043, 5322)]