21238452

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3907}}^1$

素因数の和:4068

約数の個数: 36

約数和(自身を含む): 54055456

約数和(自身を除く): 32817004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3907, 5436, 7814, 11721, 15628, 23442, 35163, 46884, 70326, 140652, 589957, 1179914, 1769871, 2359828, 3539742, 5309613, 7079484, 10619226, 21238452]

約数ペア:

[(1, 21238452), (2, 10619226), (3, 7079484), (4, 5309613), (6, 3539742), (9, 2359828), (12, 1769871), (18, 1179914), (36, 589957), (151, 140652), (302, 70326), (453, 46884), (604, 35163), (906, 23442), (1359, 15628), (1812, 11721), (2718, 7814), (3907, 5436)]