21811184

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{6113}}^1$

素因数の和:6344

約数の個数: 20

約数和(自身を含む): 42455616

約数和(自身を除く): 20644432

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 6113, 12226, 24452, 48904, 97808, 1363199, 2726398, 5452796, 10905592, 21811184]

約数ペア:

[(1, 21811184), (2, 10905592), (4, 5452796), (8, 2726398), (16, 1363199), (223, 97808), (446, 48904), (892, 24452), (1784, 12226), (3568, 6113)]