21103633551

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1003931}}^1$

素因数の和:1003972

約数の個数: 48

約数和(自身を含む): 38454611328

約数和(自身を除く): 17350977777

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 21021, 1003931, 3011793, 7027517, 11043241, 13051103, 21082551, 33129723, 39153309, 49192619, 77302687, 91357721, 143562133, 147577857, 231908061, 274073163, 430686399, 541118809, 639504047, 1004934931, 1623356427, 1918512141, 3014804793, 7034544517, 21103633551]

約数ペア:

[(1, 21103633551), (3, 7034544517), (7, 3014804793), (11, 1918512141), (13, 1623356427), (21, 1004934931), (33, 639504047), (39, 541118809), (49, 430686399), (77, 274073163), (91, 231908061), (143, 147577857), (147, 143562133), (231, 91357721), (273, 77302687), (429, 49192619), (539, 39153309), (637, 33129723), (1001, 21082551), (1617, 13051103), (1911, 11043241), (3003, 7027517), (7007, 3011793), (21021, 1003931)]