21729862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 19223738

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 947, 1043, 1639, 1894, 2086, 3278, 6629, 10417, 11473, 13258, 20834, 22946, 72919, 141103, 145838, 282206, 987721, 1552133, 1975442, 3104266, 10864931, 21729862]

約数ペア:

[(1, 21729862), (2, 10864931), (7, 3104266), (11, 1975442), (14, 1552133), (22, 987721), (77, 282206), (149, 145838), (154, 141103), (298, 72919), (947, 22946), (1043, 20834), (1639, 13258), (1894, 11473), (2086, 10417), (3278, 6629)]