21557700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1446

約数の個数: 108

約数和(自身を含む): 71596980

約数和(自身を除く): 50039280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1409, 1530, 1700, 2550, 2818, 3060, 3825, 4227, 5100, 5636, 7045, 7650, 8454, 12681, 14090, 15300, 16908, 21135, 23953, 25362, 28180, 35225, 42270, 47906, 50724, 63405, 70450, 71859, 84540, 95812, 105675, 119765, 126810, 140900, 143718, 211350, 215577, 239530, 253620, 287436, 317025, 359295, 422700, 431154, 479060, 598825, 634050, 718590, 862308, 1077885, 1197650, 1268100, 1437180, 1796475, 2155770, 2395300, 3592950, 4311540, 5389425, 7185900, 10778850, 21557700]

約数ペア:

[(1, 21557700), (2, 10778850), (3, 7185900), (4, 5389425), (5, 4311540), (6, 3592950), (9, 2395300), (10, 2155770), (12, 1796475), (15, 1437180), (17, 1268100), (18, 1197650), (20, 1077885), (25, 862308), (30, 718590), (34, 634050), (36, 598825), (45, 479060), (50, 431154), (51, 422700), (60, 359295), (68, 317025), (75, 287436), (85, 253620), (90, 239530), (100, 215577), (102, 211350), (150, 143718), (153, 140900), (170, 126810), (180, 119765), (204, 105675), (225, 95812), (255, 84540), (300, 71859), (306, 70450), (340, 63405), (425, 50724), (450, 47906), (510, 42270), (612, 35225), (765, 28180), (850, 25362), (900, 23953), (1020, 21135), (1275, 16908), (1409, 15300), (1530, 14090), (1700, 12681), (2550, 8454), (2818, 7650), (3060, 7045), (3825, 5636), (4227, 5100)]