21851500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 32399060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 125, 137, 145, 220, 250, 274, 275, 290, 319, 500, 548, 550, 580, 638, 685, 725, 1100, 1276, 1370, 1375, 1450, 1507, 1595, 2740, 2750, 2900, 3014, 3190, 3425, 3625, 3973, 5500, 6028, 6380, 6850, 7250, 7535, 7946, 7975, 13700, 14500, 15070, 15892, 15950, 17125, 19865, 30140, 31900, 34250, 37675, 39730, 39875, 43703, 68500, 75350, 79460, 79750, 87406, 99325, 150700, 159500, 174812, 188375, 198650, 218515, 376750, 397300, 437030, 496625, 753500, 874060, 993250, 1092575, 1986500, 2185150, 4370300, 5462875, 10925750, 21851500]

約数ペア:

[(1, 21851500), (2, 10925750), (4, 5462875), (5, 4370300), (10, 2185150), (11, 1986500), (20, 1092575), (22, 993250), (25, 874060), (29, 753500), (44, 496625), (50, 437030), (55, 397300), (58, 376750), (100, 218515), (110, 198650), (116, 188375), (125, 174812), (137, 159500), (145, 150700), (220, 99325), (250, 87406), (274, 79750), (275, 79460), (290, 75350), (319, 68500), (500, 43703), (548, 39875), (550, 39730), (580, 37675), (638, 34250), (685, 31900), (725, 30140), (1100, 19865), (1276, 17125), (1370, 15950), (1375, 15892), (1450, 15070), (1507, 14500), (1595, 13700), (2740, 7975), (2750, 7946), (2900, 7535), (3014, 7250), (3190, 6850), (3425, 6380), (3625, 6028), (3973, 5500)]