21386000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 120

約数和(自身を含む): 56416776

約数和(自身を除く): 35030776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 37, 40, 50, 68, 74, 80, 85, 100, 125, 136, 148, 170, 185, 200, 250, 272, 289, 296, 340, 370, 400, 425, 500, 578, 592, 629, 680, 740, 850, 925, 1000, 1156, 1258, 1360, 1445, 1480, 1700, 1850, 2000, 2125, 2312, 2516, 2890, 2960, 3145, 3400, 3700, 4250, 4624, 4625, 5032, 5780, 6290, 6800, 7225, 7400, 8500, 9250, 10064, 10693, 11560, 12580, 14450, 14800, 15725, 17000, 18500, 21386, 23120, 25160, 28900, 31450, 34000, 36125, 37000, 42772, 50320, 53465, 57800, 62900, 72250, 74000, 78625, 85544, 106930, 115600, 125800, 144500, 157250, 171088, 213860, 251600, 267325, 289000, 314500, 427720, 534650, 578000, 629000, 855440, 1069300, 1258000, 1336625, 2138600, 2673250, 4277200, 5346500, 10693000, 21386000]

約数ペア:

[(1, 21386000), (2, 10693000), (4, 5346500), (5, 4277200), (8, 2673250), (10, 2138600), (16, 1336625), (17, 1258000), (20, 1069300), (25, 855440), (34, 629000), (37, 578000), (40, 534650), (50, 427720), (68, 314500), (74, 289000), (80, 267325), (85, 251600), (100, 213860), (125, 171088), (136, 157250), (148, 144500), (170, 125800), (185, 115600), (200, 106930), (250, 85544), (272, 78625), (289, 74000), (296, 72250), (340, 62900), (370, 57800), (400, 53465), (425, 50320), (500, 42772), (578, 37000), (592, 36125), (629, 34000), (680, 31450), (740, 28900), (850, 25160), (925, 23120), (1000, 21386), (1156, 18500), (1258, 17000), (1360, 15725), (1445, 14800), (1480, 14450), (1700, 12580), (1850, 11560), (2000, 10693), (2125, 10064), (2312, 9250), (2516, 8500), (2890, 7400), (2960, 7225), (3145, 6800), (3400, 6290), (3700, 5780), (4250, 5032), (4624, 4625)]