21828420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40423}}^1$

素因数の和:40441

約数の個数: 48

約数和(自身を含む): 67912320

約数和(自身を除く): 46083900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40423, 80846, 121269, 161692, 202115, 242538, 363807, 404230, 485076, 606345, 727614, 808460, 1091421, 1212690, 1455228, 1819035, 2182842, 2425380, 3638070, 4365684, 5457105, 7276140, 10914210, 21828420]

約数ペア:

[(1, 21828420), (2, 10914210), (3, 7276140), (4, 5457105), (5, 4365684), (6, 3638070), (9, 2425380), (10, 2182842), (12, 1819035), (15, 1455228), (18, 1212690), (20, 1091421), (27, 808460), (30, 727614), (36, 606345), (45, 485076), (54, 404230), (60, 363807), (90, 242538), (108, 202115), (135, 161692), (180, 121269), (270, 80846), (540, 40423)]