21088250

素因数分解:

$2^1\times 5^3\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 19009990

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 250, 335, 670, 1259, 1675, 2518, 3350, 6295, 8375, 12590, 16750, 31475, 62950, 84353, 157375, 168706, 314750, 421765, 843530, 2108825, 4217650, 10544125, 21088250]

約数ペア:

[(1, 21088250), (2, 10544125), (5, 4217650), (10, 2108825), (25, 843530), (50, 421765), (67, 314750), (125, 168706), (134, 157375), (250, 84353), (335, 62950), (670, 31475), (1259, 16750), (1675, 12590), (2518, 8375), (3350, 6295)]