21224679

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2251}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 32428800

約数和(自身を除く): 11204121

約数列:

[1, 3, 7, 21, 449, 1347, 2251, 3143, 6753, 9429, 15757, 47271, 1010699, 3032097, 7074893, 21224679]

約数ペア:

[(1, 21224679), (3, 7074893), (7, 3032097), (21, 1010699), (449, 47271), (1347, 15757), (2251, 9429), (3143, 6753)]