21095096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25560904

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 59, 68, 88, 118, 136, 187, 236, 239, 374, 472, 478, 649, 748, 956, 1003, 1298, 1496, 1912, 2006, 2596, 2629, 4012, 4063, 5192, 5258, 8024, 8126, 10516, 11033, 14101, 16252, 21032, 22066, 28202, 32504, 44132, 44693, 56404, 88264, 89386, 112808, 155111, 178772, 239717, 310222, 357544, 479434, 620444, 958868, 1240888, 1917736, 2636887, 5273774, 10547548, 21095096]

約数ペア:

[(1, 21095096), (2, 10547548), (4, 5273774), (8, 2636887), (11, 1917736), (17, 1240888), (22, 958868), (34, 620444), (44, 479434), (59, 357544), (68, 310222), (88, 239717), (118, 178772), (136, 155111), (187, 112808), (236, 89386), (239, 88264), (374, 56404), (472, 44693), (478, 44132), (649, 32504), (748, 28202), (956, 22066), (1003, 21032), (1298, 16252), (1496, 14101), (1912, 11033), (2006, 10516), (2596, 8126), (2629, 8024), (4012, 5258), (4063, 5192)]