21906066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 55012608

約数和(自身を除く): 33106542

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 757, 1113, 1378, 1514, 2067, 2226, 2271, 4134, 4542, 4823, 5299, 9646, 9841, 10598, 14469, 15897, 19682, 28938, 29523, 31794, 40121, 59046, 68887, 80242, 120363, 137774, 206661, 240726, 280847, 413322, 521573, 561694, 842541, 1043146, 1564719, 1685082, 3129438, 3651011, 7302022, 10953033, 21906066]

約数ペア:

[(1, 21906066), (2, 10953033), (3, 7302022), (6, 3651011), (7, 3129438), (13, 1685082), (14, 1564719), (21, 1043146), (26, 842541), (39, 561694), (42, 521573), (53, 413322), (78, 280847), (91, 240726), (106, 206661), (159, 137774), (182, 120363), (273, 80242), (318, 68887), (371, 59046), (546, 40121), (689, 31794), (742, 29523), (757, 28938), (1113, 19682), (1378, 15897), (1514, 14469), (2067, 10598), (2226, 9841), (2271, 9646), (4134, 5299), (4542, 4823)]