21371414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15331}}^1$

素因数の和:15391

約数の個数: 16

約数和(自身を含む): 34772976

約数和(自身を除く): 13401562

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15331, 30662, 260627, 521254, 628571, 1257142, 10685707, 21371414]

約数ペア:

[(1, 21371414), (2, 10685707), (17, 1257142), (34, 628571), (41, 521254), (82, 260627), (697, 30662), (1394, 15331)]