21119630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4133}}^1$

素因数の和:4220

約数の個数: 32

約数和(自身を含む): 44051904

約数和(自身を除く): 22932274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4133, 5110, 8266, 20665, 28931, 41330, 57862, 144655, 289310, 301709, 603418, 1508545, 2111963, 3017090, 4223926, 10559815, 21119630]

約数ペア:

[(1, 21119630), (2, 10559815), (5, 4223926), (7, 3017090), (10, 2111963), (14, 1508545), (35, 603418), (70, 301709), (73, 289310), (146, 144655), (365, 57862), (511, 41330), (730, 28931), (1022, 20665), (2555, 8266), (4133, 5110)]