21421636

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38342304

約数和(自身を除く): 16920668

約数列:

[1, 2, 4, 83, 113, 166, 226, 332, 452, 571, 1142, 2284, 9379, 18758, 37516, 47393, 64523, 94786, 129046, 189572, 258092, 5355409, 10710818, 21421636]

約数ペア:

[(1, 21421636), (2, 10710818), (4, 5355409), (83, 258092), (113, 189572), (166, 129046), (226, 94786), (332, 64523), (452, 47393), (571, 37516), (1142, 18758), (2284, 9379)]