21026500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3823}}^1$

素因数の和:3853

約数の個数: 48

約数和(自身を含む): 50109696

約数和(自身を除く): 29083196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3823, 5500, 7646, 15292, 19115, 38230, 42053, 76460, 84106, 95575, 168212, 191150, 210265, 382300, 420530, 477875, 841060, 955750, 1051325, 1911500, 2102650, 4205300, 5256625, 10513250, 21026500]

約数ペア:

[(1, 21026500), (2, 10513250), (4, 5256625), (5, 4205300), (10, 2102650), (11, 1911500), (20, 1051325), (22, 955750), (25, 841060), (44, 477875), (50, 420530), (55, 382300), (100, 210265), (110, 191150), (125, 168212), (220, 95575), (250, 84106), (275, 76460), (500, 42053), (550, 38230), (1100, 19115), (1375, 15292), (2750, 7646), (3823, 5500)]