21771092

素因数分解:

$2^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 44590644

約数和(自身を除く): 22819552

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 277, 401, 554, 802, 1108, 1604, 1939, 2807, 3878, 5614, 7756, 11228, 13573, 19649, 27146, 39298, 54292, 78596, 111077, 222154, 444308, 777539, 1555078, 3110156, 5442773, 10885546, 21771092]

約数ペア:

[(1, 21771092), (2, 10885546), (4, 5442773), (7, 3110156), (14, 1555078), (28, 777539), (49, 444308), (98, 222154), (196, 111077), (277, 78596), (401, 54292), (554, 39298), (802, 27146), (1108, 19649), (1604, 13573), (1939, 11228), (2807, 7756), (3878, 5614)]