21879438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2027}}^1$

素因数の和:2296

約数の個数: 32

約数和(自身を含む): 50229504

約数和(自身を除く): 28350066

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 2027, 3598, 4054, 5397, 6081, 10794, 12162, 14189, 28378, 42567, 85134, 520939, 1041878, 1562817, 3125634, 3646573, 7293146, 10939719, 21879438]

約数ペア:

[(1, 21879438), (2, 10939719), (3, 7293146), (6, 3646573), (7, 3125634), (14, 1562817), (21, 1041878), (42, 520939), (257, 85134), (514, 42567), (771, 28378), (1542, 14189), (1799, 12162), (2027, 10794), (3598, 6081), (4054, 5397)]