21836265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 17463639

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 121, 159, 165, 227, 265, 363, 583, 605, 681, 795, 1135, 1749, 1815, 2497, 2915, 3405, 6413, 7491, 8745, 12031, 12485, 19239, 27467, 32065, 36093, 37455, 60155, 82401, 96195, 132341, 137335, 180465, 397023, 412005, 661705, 1455751, 1985115, 4367253, 7278755, 21836265]

約数ペア:

[(1, 21836265), (3, 7278755), (5, 4367253), (11, 1985115), (15, 1455751), (33, 661705), (53, 412005), (55, 397023), (121, 180465), (159, 137335), (165, 132341), (227, 96195), (265, 82401), (363, 60155), (583, 37455), (605, 36093), (681, 32065), (795, 27467), (1135, 19239), (1749, 12485), (1815, 12031), (2497, 8745), (2915, 7491), (3405, 6413)]