21371874

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{15973}}^1$

素因数の和:16201

約数の個数: 16

約数和(自身を含む): 42938112

約数和(自身を除く): 21566238

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 15973, 31946, 47919, 95838, 3561979, 7123958, 10685937, 21371874]

約数ペア:

[(1, 21371874), (2, 10685937), (3, 7123958), (6, 3561979), (223, 95838), (446, 47919), (669, 31946), (1338, 15973)]