21013400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3623}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 50554800

約数和(自身を除く): 29541400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3623, 5800, 7246, 14492, 18115, 28984, 36230, 72460, 90575, 105067, 144920, 181150, 210134, 362300, 420268, 525335, 724600, 840536, 1050670, 2101340, 2626675, 4202680, 5253350, 10506700, 21013400]

約数ペア:

[(1, 21013400), (2, 10506700), (4, 5253350), (5, 4202680), (8, 2626675), (10, 2101340), (20, 1050670), (25, 840536), (29, 724600), (40, 525335), (50, 420268), (58, 362300), (100, 210134), (116, 181150), (145, 144920), (200, 105067), (232, 90575), (290, 72460), (580, 36230), (725, 28984), (1160, 18115), (1450, 14492), (2900, 7246), (3623, 5800)]