21352000

素因数分解:

$2^6\times 5^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 112

約数和(自身を含む): 56345328

約数和(自身を除く): 34993328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 157, 160, 170, 200, 250, 272, 314, 320, 340, 400, 425, 500, 544, 628, 680, 785, 800, 850, 1000, 1088, 1256, 1360, 1570, 1600, 1700, 2000, 2125, 2512, 2669, 2720, 3140, 3400, 3925, 4000, 4250, 5024, 5338, 5440, 6280, 6800, 7850, 8000, 8500, 10048, 10676, 12560, 13345, 13600, 15700, 17000, 19625, 21352, 25120, 26690, 27200, 31400, 34000, 39250, 42704, 50240, 53380, 62800, 66725, 68000, 78500, 85408, 106760, 125600, 133450, 136000, 157000, 170816, 213520, 251200, 266900, 314000, 333625, 427040, 533800, 628000, 667250, 854080, 1067600, 1256000, 1334500, 2135200, 2669000, 4270400, 5338000, 10676000, 21352000]

約数ペア:

[(1, 21352000), (2, 10676000), (4, 5338000), (5, 4270400), (8, 2669000), (10, 2135200), (16, 1334500), (17, 1256000), (20, 1067600), (25, 854080), (32, 667250), (34, 628000), (40, 533800), (50, 427040), (64, 333625), (68, 314000), (80, 266900), (85, 251200), (100, 213520), (125, 170816), (136, 157000), (157, 136000), (160, 133450), (170, 125600), (200, 106760), (250, 85408), (272, 78500), (314, 68000), (320, 66725), (340, 62800), (400, 53380), (425, 50240), (500, 42704), (544, 39250), (628, 34000), (680, 31400), (785, 27200), (800, 26690), (850, 25120), (1000, 21352), (1088, 19625), (1256, 17000), (1360, 15700), (1570, 13600), (1600, 13345), (1700, 12560), (2000, 10676), (2125, 10048), (2512, 8500), (2669, 8000), (2720, 7850), (3140, 6800), (3400, 6280), (3925, 5440), (4000, 5338), (4250, 5024)]