21005773600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{121001}}^1$

素因数の和:121059

約数の個数: 144

約数和(自身を含む): 60497127936

約数和(自身を除く): 39491354336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 3100, 3472, 4340, 4960, 5425, 5600, 6200, 6944, 8680, 10850, 12400, 17360, 21700, 24800, 34720, 43400, 86800, 121001, 173600, 242002, 484004, 605005, 847007, 968008, 1210010, 1694014, 1936016, 2420020, 3025025, 3388028, 3751031, 3872032, 4235035, 4840040, 6050050, 6776056, 7502062, 8470070, 9680080, 12100100, 13552112, 15004124, 16940140, 18755155, 19360160, 21175175, 24200200, 26257217, 27104224, 30008248, 33880280, 37510310, 42350350, 48400400, 52514434, 60016496, 67760560, 75020620, 84700700, 93775775, 96800800, 105028868, 120032992, 131286085, 135521120, 150041240, 169401400, 187551550, 210057736, 262572170, 300082480, 338802800, 375103100, 420115472, 525144340, 600164960, 656430425, 677605600, 750206200, 840230944, 1050288680, 1312860850, 1500412400, 2100577360, 2625721700, 3000824800, 4201154720, 5251443400, 10502886800, 21005773600]

約数ペア:

[(1, 21005773600), (2, 10502886800), (4, 5251443400), (5, 4201154720), (7, 3000824800), (8, 2625721700), (10, 2100577360), (14, 1500412400), (16, 1312860850), (20, 1050288680), (25, 840230944), (28, 750206200), (31, 677605600), (32, 656430425), (35, 600164960), (40, 525144340), (50, 420115472), (56, 375103100), (62, 338802800), (70, 300082480), (80, 262572170), (100, 210057736), (112, 187551550), (124, 169401400), (140, 150041240), (155, 135521120), (160, 131286085), (175, 120032992), (200, 105028868), (217, 96800800), (224, 93775775), (248, 84700700), (280, 75020620), (310, 67760560), (350, 60016496), (400, 52514434), (434, 48400400), (496, 42350350), (560, 37510310), (620, 33880280), (700, 30008248), (775, 27104224), (800, 26257217), (868, 24200200), (992, 21175175), (1085, 19360160), (1120, 18755155), (1240, 16940140), (1400, 15004124), (1550, 13552112), (1736, 12100100), (2170, 9680080), (2480, 8470070), (2800, 7502062), (3100, 6776056), (3472, 6050050), (4340, 4840040), (4960, 4235035), (5425, 3872032), (5600, 3751031), (6200, 3388028), (6944, 3025025), (8680, 2420020), (10850, 1936016), (12400, 1694014), (17360, 1210010), (21700, 968008), (24800, 847007), (34720, 605005), (43400, 484004), (86800, 242002), (121001, 173600)]