21570300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2663}}^1$

素因数の和:2689

約数の個数: 90

約数和(自身を含む): 69948648

約数和(自身を除く): 48378348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2663, 2700, 4050, 5326, 7989, 8100, 10652, 13315, 15978, 23967, 26630, 31956, 39945, 47934, 53260, 66575, 71901, 79890, 95868, 119835, 133150, 143802, 159780, 199725, 215703, 239670, 266300, 287604, 359505, 399450, 431406, 479340, 599175, 719010, 798900, 862812, 1078515, 1198350, 1438020, 1797525, 2157030, 2396700, 3595050, 4314060, 5392575, 7190100, 10785150, 21570300]

約数ペア:

[(1, 21570300), (2, 10785150), (3, 7190100), (4, 5392575), (5, 4314060), (6, 3595050), (9, 2396700), (10, 2157030), (12, 1797525), (15, 1438020), (18, 1198350), (20, 1078515), (25, 862812), (27, 798900), (30, 719010), (36, 599175), (45, 479340), (50, 431406), (54, 399450), (60, 359505), (75, 287604), (81, 266300), (90, 239670), (100, 215703), (108, 199725), (135, 159780), (150, 143802), (162, 133150), (180, 119835), (225, 95868), (270, 79890), (300, 71901), (324, 66575), (405, 53260), (450, 47934), (540, 39945), (675, 31956), (810, 26630), (900, 23967), (1350, 15978), (1620, 13315), (2025, 10652), (2663, 8100), (2700, 7989), (4050, 5326)]