21343910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 45776016

約数和(自身を除く): 24432106

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1013, 1505, 2026, 2107, 3010, 4214, 5065, 7091, 10130, 10535, 14182, 21070, 35455, 43559, 49637, 70910, 87118, 99274, 217795, 248185, 304913, 435590, 496370, 609826, 1524565, 2134391, 3049130, 4268782, 10671955, 21343910]

約数ペア:

[(1, 21343910), (2, 10671955), (5, 4268782), (7, 3049130), (10, 2134391), (14, 1524565), (35, 609826), (43, 496370), (49, 435590), (70, 304913), (86, 248185), (98, 217795), (215, 99274), (245, 87118), (301, 70910), (430, 49637), (490, 43559), (602, 35455), (1013, 21070), (1505, 14182), (2026, 10535), (2107, 10130), (3010, 7091), (4214, 5065)]