21842194

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2166

約数の個数: 24

約数和(自身を含む): 36867600

約数和(自身を除く): 15025406

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2099, 4198, 5203, 10406, 23089, 46178, 90257, 180514, 253979, 507958, 992827, 1985654, 10921097, 21842194]

約数ペア:

[(1, 21842194), (2, 10921097), (11, 1985654), (22, 992827), (43, 507958), (86, 253979), (121, 180514), (242, 90257), (473, 46178), (946, 23089), (2099, 10406), (4198, 5203)]