21668234

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 17958262

約数列:

[1, 2, 7, 14, 17, 34, 119, 181, 238, 362, 503, 1006, 1267, 2534, 3077, 3521, 6154, 7042, 8551, 17102, 21539, 43078, 59857, 91043, 119714, 182086, 637301, 1274602, 1547731, 3095462, 10834117, 21668234]

約数ペア:

[(1, 21668234), (2, 10834117), (7, 3095462), (14, 1547731), (17, 1274602), (34, 637301), (119, 182086), (181, 119714), (238, 91043), (362, 59857), (503, 43078), (1006, 21539), (1267, 17102), (2534, 8551), (3077, 7042), (3521, 6154)]