210909904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{321509}}^1$

素因数の和:321558

約数の個数: 20

約数和(自身を含む): 418606020

約数和(自身を除く): 207696116

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 321509, 643018, 1286036, 2572072, 5144144, 13181869, 26363738, 52727476, 105454952, 210909904]

約数ペア:

[(1, 210909904), (2, 105454952), (4, 52727476), (8, 26363738), (16, 13181869), (41, 5144144), (82, 2572072), (164, 1286036), (328, 643018), (656, 321509)]