21109130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7013}}^1$

素因数の和:7070

約数の個数: 32

約数和(自身を含む): 44440704

約数和(自身を除く): 23331574

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7013, 14026, 35065, 49091, 70130, 98182, 245455, 301559, 490910, 603118, 1507795, 2110913, 3015590, 4221826, 10554565, 21109130]

約数ペア:

[(1, 21109130), (2, 10554565), (5, 4221826), (7, 3015590), (10, 2110913), (14, 1507795), (35, 603118), (43, 490910), (70, 301559), (86, 245455), (215, 98182), (301, 70130), (430, 49091), (602, 35065), (1505, 14026), (3010, 7013)]