21289200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 69238128

約数和(自身を除く): 47948928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 113, 120, 150, 157, 200, 226, 240, 300, 314, 339, 400, 452, 471, 565, 600, 628, 678, 785, 904, 942, 1130, 1200, 1256, 1356, 1570, 1695, 1808, 1884, 2260, 2355, 2512, 2712, 2825, 3140, 3390, 3768, 3925, 4520, 4710, 5424, 5650, 6280, 6780, 7536, 7850, 8475, 9040, 9420, 11300, 11775, 12560, 13560, 15700, 16950, 17741, 18840, 22600, 23550, 27120, 31400, 33900, 35482, 37680, 45200, 47100, 53223, 62800, 67800, 70964, 88705, 94200, 106446, 135600, 141928, 177410, 188400, 212892, 266115, 283856, 354820, 425784, 443525, 532230, 709640, 851568, 887050, 1064460, 1330575, 1419280, 1774100, 2128920, 2661150, 3548200, 4257840, 5322300, 7096400, 10644600, 21289200]

約数ペア:

[(1, 21289200), (2, 10644600), (3, 7096400), (4, 5322300), (5, 4257840), (6, 3548200), (8, 2661150), (10, 2128920), (12, 1774100), (15, 1419280), (16, 1330575), (20, 1064460), (24, 887050), (25, 851568), (30, 709640), (40, 532230), (48, 443525), (50, 425784), (60, 354820), (75, 283856), (80, 266115), (100, 212892), (113, 188400), (120, 177410), (150, 141928), (157, 135600), (200, 106446), (226, 94200), (240, 88705), (300, 70964), (314, 67800), (339, 62800), (400, 53223), (452, 47100), (471, 45200), (565, 37680), (600, 35482), (628, 33900), (678, 31400), (785, 27120), (904, 23550), (942, 22600), (1130, 18840), (1200, 17741), (1256, 16950), (1356, 15700), (1570, 13560), (1695, 12560), (1808, 11775), (1884, 11300), (2260, 9420), (2355, 9040), (2512, 8475), (2712, 7850), (2825, 7536), (3140, 6780), (3390, 6280), (3768, 5650), (3925, 5424), (4520, 4710)]