21148460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28579}}^1$

素因数の和:28625

約数の個数: 24

約数和(自身を含む): 45613680

約数和(自身を除く): 24465220

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28579, 57158, 114316, 142895, 285790, 571580, 1057423, 2114846, 4229692, 5287115, 10574230, 21148460]

約数ペア:

[(1, 21148460), (2, 10574230), (4, 5287115), (5, 4229692), (10, 2114846), (20, 1057423), (37, 571580), (74, 285790), (148, 142895), (185, 114316), (370, 57158), (740, 28579)]