21358250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 19722790

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2309, 4618, 4625, 9250, 11545, 23090, 57725, 85433, 115450, 170866, 288625, 427165, 577250, 854330, 2135825, 4271650, 10679125, 21358250]

約数ペア:

[(1, 21358250), (2, 10679125), (5, 4271650), (10, 2135825), (25, 854330), (37, 577250), (50, 427165), (74, 288625), (125, 170866), (185, 115450), (250, 85433), (370, 57725), (925, 23090), (1850, 11545), (2309, 9250), (4618, 4625)]