126821198

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{21517}}^1$

素因数の和:21947

約数の個数: 16

約数和(自身を含む): 217934304

約数和(自身を除く): 91113106

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 21517, 43034, 150619, 301238, 9058657, 18117314, 63410599, 126821198]

約数ペア:

[(1, 126821198), (2, 63410599), (7, 18117314), (14, 9058657), (421, 301238), (842, 150619), (2947, 43034), (5894, 21517)]