21915252

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1549}}^1$

素因数の和:1693

約数の個数: 48

約数和(自身を含む): 57288000

約数和(自身を除く): 35372748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1549, 1572, 2358, 3098, 3537, 4647, 4716, 6196, 7074, 9294, 13941, 14148, 18588, 27882, 41823, 55764, 83646, 167292, 202919, 405838, 608757, 811676, 1217514, 1826271, 2435028, 3652542, 5478813, 7305084, 10957626, 21915252]

約数ペア:

[(1, 21915252), (2, 10957626), (3, 7305084), (4, 5478813), (6, 3652542), (9, 2435028), (12, 1826271), (18, 1217514), (27, 811676), (36, 608757), (54, 405838), (108, 202919), (131, 167292), (262, 83646), (393, 55764), (524, 41823), (786, 27882), (1179, 18588), (1549, 14148), (1572, 13941), (2358, 9294), (3098, 7074), (3537, 6196), (4647, 4716)]