21541772

素因数分解:

$2^2\times 7^4\times {\mathrm{2243}}^1$

素因数の和:2275

約数の個数: 30

約数和(自身を含む): 43998108

約数和(自身を除く): 22456336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2243, 2401, 4486, 4802, 8972, 9604, 15701, 31402, 62804, 109907, 219814, 439628, 769349, 1538698, 3077396, 5385443, 10770886, 21541772]

約数ペア:

[(1, 21541772), (2, 10770886), (4, 5385443), (7, 3077396), (14, 1538698), (28, 769349), (49, 439628), (98, 219814), (196, 109907), (343, 62804), (686, 31402), (1372, 15701), (2243, 9604), (2401, 8972), (4486, 4802)]