21434390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2273}}^1$

素因数の和:2344

約数の個数: 32

約数和(自身を含む): 41259456

約数和(自身を除く): 19825066

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2273, 4546, 4715, 9430, 11365, 22730, 52279, 93193, 104558, 186386, 261395, 465965, 522790, 931930, 2143439, 4286878, 10717195, 21434390]

約数ペア:

[(1, 21434390), (2, 10717195), (5, 4286878), (10, 2143439), (23, 931930), (41, 522790), (46, 465965), (82, 261395), (115, 186386), (205, 104558), (230, 93193), (410, 52279), (943, 22730), (1886, 11365), (2273, 9430), (4546, 4715)]