21584577

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 13638975

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 587, 721, 1751, 1761, 2163, 4109, 5253, 9979, 12257, 12327, 29937, 36771, 60461, 69853, 181383, 209559, 423227, 1027837, 1269681, 3083511, 7194859, 21584577]

約数ペア:

[(1, 21584577), (3, 7194859), (7, 3083511), (17, 1269681), (21, 1027837), (51, 423227), (103, 209559), (119, 181383), (309, 69853), (357, 60461), (587, 36771), (721, 29937), (1751, 12327), (1761, 12257), (2163, 9979), (4109, 5253)]