21285064640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{500119}}^1$

素因数の和:500162

約数の個数: 112

約数和(自身を含む): 60974630400

約数和(自身を除く): 39689565760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 21280, 42560, 500119, 1000238, 2000476, 2500595, 3500833, 4000952, 5001190, 7001666, 8001904, 9502261, 10002380, 14003332, 16003808, 17504165, 19004522, 20004760, 28006664, 32007616, 35008330, 38009044, 40009520, 47511305, 56013328, 66515827, 70016660, 76018088, 80019040, 95022610, 112026656, 133031654, 140033320, 152036176, 160038080, 190045220, 224053312, 266063308, 280066640, 304072352, 332579135, 380090440, 532126616, 560133280, 608144704, 665158270, 760180880, 1064253232, 1120266560, 1330316540, 1520361760, 2128506464, 2660633080, 3040723520, 4257012928, 5321266160, 10642532320, 21285064640]

約数ペア:

[(1, 21285064640), (2, 10642532320), (4, 5321266160), (5, 4257012928), (7, 3040723520), (8, 2660633080), (10, 2128506464), (14, 1520361760), (16, 1330316540), (19, 1120266560), (20, 1064253232), (28, 760180880), (32, 665158270), (35, 608144704), (38, 560133280), (40, 532126616), (56, 380090440), (64, 332579135), (70, 304072352), (76, 280066640), (80, 266063308), (95, 224053312), (112, 190045220), (133, 160038080), (140, 152036176), (152, 140033320), (160, 133031654), (190, 112026656), (224, 95022610), (266, 80019040), (280, 76018088), (304, 70016660), (320, 66515827), (380, 56013328), (448, 47511305), (532, 40009520), (560, 38009044), (608, 35008330), (665, 32007616), (760, 28006664), (1064, 20004760), (1120, 19004522), (1216, 17504165), (1330, 16003808), (1520, 14003332), (2128, 10002380), (2240, 9502261), (2660, 8001904), (3040, 7001666), (4256, 5001190), (5320, 4000952), (6080, 3500833), (8512, 2500595), (10640, 2000476), (21280, 1000238), (42560, 500119)]