21567900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4263

約数の個数: 72

約数和(自身を含む): 66089520

約数和(自身を除く): 44521620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4229, 5100, 8458, 12687, 16916, 21145, 25374, 42290, 50748, 63435, 71893, 84580, 105725, 126870, 143786, 211450, 215679, 253740, 287572, 317175, 359465, 422900, 431358, 634350, 718930, 862716, 1078395, 1268700, 1437860, 1797325, 2156790, 3594650, 4313580, 5391975, 7189300, 10783950, 21567900]

約数ペア:

[(1, 21567900), (2, 10783950), (3, 7189300), (4, 5391975), (5, 4313580), (6, 3594650), (10, 2156790), (12, 1797325), (15, 1437860), (17, 1268700), (20, 1078395), (25, 862716), (30, 718930), (34, 634350), (50, 431358), (51, 422900), (60, 359465), (68, 317175), (75, 287572), (85, 253740), (100, 215679), (102, 211450), (150, 143786), (170, 126870), (204, 105725), (255, 84580), (300, 71893), (340, 63435), (425, 50748), (510, 42290), (850, 25374), (1020, 21145), (1275, 16916), (1700, 12687), (2550, 8458), (4229, 5100)]