21269906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49009}}^1$

素因数の和:49049

約数の個数: 16

約数和(自身を含む): 37639680

約数和(自身を除く): 16369774

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 49009, 98018, 343063, 686126, 1519279, 3038558, 10634953, 21269906]

約数ペア:

[(1, 21269906), (2, 10634953), (7, 3038558), (14, 1519279), (31, 686126), (62, 343063), (217, 98018), (434, 49009)]