21797402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1031}}^1$

素因数の和:1106

約数の個数: 24

約数和(自身を含む): 36891936

約数和(自身を除く): 15094534

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 961, 1031, 1922, 2062, 10571, 11341, 21142, 22682, 31961, 63922, 351571, 703142, 990791, 1981582, 10898701, 21797402]

約数ペア:

[(1, 21797402), (2, 10898701), (11, 1981582), (22, 990791), (31, 703142), (62, 351571), (341, 63922), (682, 31961), (961, 22682), (1031, 21142), (1922, 11341), (2062, 10571)]