21751781474

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{535679}}^1$

素因数の和:536017

約数の個数: 16

約数和(自身を含む): 33169305600

約数和(自身を除く): 11417524126

約数列:

[1, 2, 79, 158, 257, 514, 20303, 40606, 535679, 1071358, 42318641, 84637282, 137669503, 275339006, 10875890737, 21751781474]

約数ペア:

[(1, 21751781474), (2, 10875890737), (79, 275339006), (158, 137669503), (257, 84637282), (514, 42318641), (20303, 1071358), (40606, 535679)]