21844908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 58858800

約数和(自身を除く): 37013892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 293, 327, 342, 436, 586, 654, 684, 879, 981, 1172, 1308, 1758, 1962, 2071, 2637, 3516, 3924, 4142, 5274, 5567, 6213, 8284, 10548, 11134, 12426, 16701, 18639, 22268, 24852, 31937, 33402, 37278, 50103, 63874, 66804, 74556, 95811, 100206, 127748, 191622, 200412, 287433, 383244, 574866, 606803, 1149732, 1213606, 1820409, 2427212, 3640818, 5461227, 7281636, 10922454, 21844908]

約数ペア:

[(1, 21844908), (2, 10922454), (3, 7281636), (4, 5461227), (6, 3640818), (9, 2427212), (12, 1820409), (18, 1213606), (19, 1149732), (36, 606803), (38, 574866), (57, 383244), (76, 287433), (109, 200412), (114, 191622), (171, 127748), (218, 100206), (228, 95811), (293, 74556), (327, 66804), (342, 63874), (436, 50103), (586, 37278), (654, 33402), (684, 31937), (879, 24852), (981, 22268), (1172, 18639), (1308, 16701), (1758, 12426), (1962, 11134), (2071, 10548), (2637, 8284), (3516, 6213), (3924, 5567), (4142, 5274)]