21004200

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1696

約数の個数: 144

約数和(自身を含む): 80664480

約数和(自身を除く): 59660280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1667, 1800, 2100, 2520, 3150, 3334, 4200, 5001, 6300, 6668, 8335, 10002, 11669, 12600, 13336, 15003, 16670, 20004, 23338, 25005, 30006, 33340, 35007, 40008, 41675, 46676, 50010, 58345, 60012, 66680, 70014, 75015, 83350, 93352, 100020, 105021, 116690, 120024, 125025, 140028, 150030, 166700, 175035, 200040, 210042, 233380, 250050, 280056, 291725, 300060, 333400, 350070, 375075, 420084, 466760, 500100, 525105, 583450, 600120, 700140, 750150, 840168, 875175, 1000200, 1050210, 1166900, 1400280, 1500300, 1750350, 2100420, 2333800, 2625525, 3000600, 3500700, 4200840, 5251050, 7001400, 10502100, 21004200]

約数ペア:

[(1, 21004200), (2, 10502100), (3, 7001400), (4, 5251050), (5, 4200840), (6, 3500700), (7, 3000600), (8, 2625525), (9, 2333800), (10, 2100420), (12, 1750350), (14, 1500300), (15, 1400280), (18, 1166900), (20, 1050210), (21, 1000200), (24, 875175), (25, 840168), (28, 750150), (30, 700140), (35, 600120), (36, 583450), (40, 525105), (42, 500100), (45, 466760), (50, 420084), (56, 375075), (60, 350070), (63, 333400), (70, 300060), (72, 291725), (75, 280056), (84, 250050), (90, 233380), (100, 210042), (105, 200040), (120, 175035), (126, 166700), (140, 150030), (150, 140028), (168, 125025), (175, 120024), (180, 116690), (200, 105021), (210, 100020), (225, 93352), (252, 83350), (280, 75015), (300, 70014), (315, 66680), (350, 60012), (360, 58345), (420, 50010), (450, 46676), (504, 41675), (525, 40008), (600, 35007), (630, 33340), (700, 30006), (840, 25005), (900, 23338), (1050, 20004), (1260, 16670), (1400, 15003), (1575, 13336), (1667, 12600), (1800, 11669), (2100, 10002), (2520, 8335), (3150, 6668), (3334, 6300), (4200, 5001)]