21246084

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 55552000

約数和(自身を除く): 34305916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1524, 1549, 2286, 3098, 3429, 4572, 4647, 6196, 6858, 9294, 13716, 13941, 18588, 27882, 41823, 55764, 83646, 167292, 196723, 393446, 590169, 786892, 1180338, 1770507, 2360676, 3541014, 5311521, 7082028, 10623042, 21246084]

約数ペア:

[(1, 21246084), (2, 10623042), (3, 7082028), (4, 5311521), (6, 3541014), (9, 2360676), (12, 1770507), (18, 1180338), (27, 786892), (36, 590169), (54, 393446), (108, 196723), (127, 167292), (254, 83646), (381, 55764), (508, 41823), (762, 27882), (1143, 18588), (1524, 13941), (1549, 13716), (2286, 9294), (3098, 6858), (3429, 6196), (4572, 4647)]