21723900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 49521540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 29, 30, 33, 44, 50, 55, 58, 60, 66, 75, 87, 100, 110, 116, 132, 145, 150, 165, 174, 220, 227, 275, 290, 300, 319, 330, 348, 435, 454, 550, 580, 638, 660, 681, 725, 825, 870, 908, 957, 1100, 1135, 1276, 1362, 1450, 1595, 1650, 1740, 1914, 2175, 2270, 2497, 2724, 2900, 3190, 3300, 3405, 3828, 4350, 4540, 4785, 4994, 5675, 6380, 6583, 6810, 7491, 7975, 8700, 9570, 9988, 11350, 12485, 13166, 13620, 14982, 15950, 17025, 19140, 19749, 22700, 23925, 24970, 26332, 29964, 31900, 32915, 34050, 37455, 39498, 47850, 49940, 62425, 65830, 68100, 72413, 74910, 78996, 95700, 98745, 124850, 131660, 144826, 149820, 164575, 187275, 197490, 217239, 249700, 289652, 329150, 362065, 374550, 394980, 434478, 493725, 658300, 724130, 749100, 868956, 987450, 1086195, 1448260, 1810325, 1974900, 2172390, 3620650, 4344780, 5430975, 7241300, 10861950, 21723900]

約数ペア:

[(1, 21723900), (2, 10861950), (3, 7241300), (4, 5430975), (5, 4344780), (6, 3620650), (10, 2172390), (11, 1974900), (12, 1810325), (15, 1448260), (20, 1086195), (22, 987450), (25, 868956), (29, 749100), (30, 724130), (33, 658300), (44, 493725), (50, 434478), (55, 394980), (58, 374550), (60, 362065), (66, 329150), (75, 289652), (87, 249700), (100, 217239), (110, 197490), (116, 187275), (132, 164575), (145, 149820), (150, 144826), (165, 131660), (174, 124850), (220, 98745), (227, 95700), (275, 78996), (290, 74910), (300, 72413), (319, 68100), (330, 65830), (348, 62425), (435, 49940), (454, 47850), (550, 39498), (580, 37455), (638, 34050), (660, 32915), (681, 31900), (725, 29964), (825, 26332), (870, 24970), (908, 23925), (957, 22700), (1100, 19749), (1135, 19140), (1276, 17025), (1362, 15950), (1450, 14982), (1595, 13620), (1650, 13166), (1740, 12485), (1914, 11350), (2175, 9988), (2270, 9570), (2497, 8700), (2724, 7975), (2900, 7491), (3190, 6810), (3300, 6583), (3405, 6380), (3828, 5675), (4350, 4994), (4540, 4785)]