21613140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 44431020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 719, 835, 1002, 1438, 1503, 1670, 2004, 2157, 2505, 2876, 3006, 3340, 3595, 4314, 5010, 6012, 6471, 7190, 7515, 8628, 10020, 10785, 12942, 14380, 15030, 21570, 25884, 30060, 32355, 43140, 64710, 120073, 129420, 240146, 360219, 480292, 600365, 720438, 1080657, 1200730, 1440876, 1801095, 2161314, 2401460, 3602190, 4322628, 5403285, 7204380, 10806570, 21613140]

約数ペア:

[(1, 21613140), (2, 10806570), (3, 7204380), (4, 5403285), (5, 4322628), (6, 3602190), (9, 2401460), (10, 2161314), (12, 1801095), (15, 1440876), (18, 1200730), (20, 1080657), (30, 720438), (36, 600365), (45, 480292), (60, 360219), (90, 240146), (167, 129420), (180, 120073), (334, 64710), (501, 43140), (668, 32355), (719, 30060), (835, 25884), (1002, 21570), (1438, 15030), (1503, 14380), (1670, 12942), (2004, 10785), (2157, 10020), (2505, 8628), (2876, 7515), (3006, 7190), (3340, 6471), (3595, 6012), (4314, 5010)]