21754746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3051

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 30661254

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2999, 3627, 5998, 7254, 8997, 17994, 26991, 38987, 53982, 77974, 92969, 116961, 185938, 233922, 278907, 350883, 557814, 701766, 836721, 1208597, 1673442, 2417194, 3625791, 7251582, 10877373, 21754746]

約数ペア:

[(1, 21754746), (2, 10877373), (3, 7251582), (6, 3625791), (9, 2417194), (13, 1673442), (18, 1208597), (26, 836721), (31, 701766), (39, 557814), (62, 350883), (78, 278907), (93, 233922), (117, 185938), (186, 116961), (234, 92969), (279, 77974), (403, 53982), (558, 38987), (806, 26991), (1209, 17994), (2418, 8997), (2999, 7254), (3627, 5998)]