21277800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11821}}^1$

素因数の和:11843

約数の個数: 72

約数和(自身を含む): 71463990

約数和(自身を除く): 50186190

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11821, 23642, 35463, 47284, 59105, 70926, 94568, 106389, 118210, 141852, 177315, 212778, 236420, 283704, 295525, 354630, 425556, 472840, 531945, 591050, 709260, 851112, 886575, 1063890, 1182100, 1418520, 1773150, 2127780, 2364200, 2659725, 3546300, 4255560, 5319450, 7092600, 10638900, 21277800]

約数ペア:

[(1, 21277800), (2, 10638900), (3, 7092600), (4, 5319450), (5, 4255560), (6, 3546300), (8, 2659725), (9, 2364200), (10, 2127780), (12, 1773150), (15, 1418520), (18, 1182100), (20, 1063890), (24, 886575), (25, 851112), (30, 709260), (36, 591050), (40, 531945), (45, 472840), (50, 425556), (60, 354630), (72, 295525), (75, 283704), (90, 236420), (100, 212778), (120, 177315), (150, 141852), (180, 118210), (200, 106389), (225, 94568), (300, 70926), (360, 59105), (450, 47284), (600, 35463), (900, 23642), (1800, 11821)]