21413040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8111}}^1$

素因数の和:8138

約数の個数: 80

約数和(自身を含む): 72423936

約数和(自身を除く): 51010896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8111, 16222, 24333, 32444, 40555, 48666, 64888, 81110, 89221, 97332, 121665, 129776, 162220, 178442, 194664, 243330, 267663, 324440, 356884, 389328, 446105, 486660, 535326, 648880, 713768, 892210, 973320, 1070652, 1338315, 1427536, 1784420, 1946640, 2141304, 2676630, 3568840, 4282608, 5353260, 7137680, 10706520, 21413040]

約数ペア:

[(1, 21413040), (2, 10706520), (3, 7137680), (4, 5353260), (5, 4282608), (6, 3568840), (8, 2676630), (10, 2141304), (11, 1946640), (12, 1784420), (15, 1427536), (16, 1338315), (20, 1070652), (22, 973320), (24, 892210), (30, 713768), (33, 648880), (40, 535326), (44, 486660), (48, 446105), (55, 389328), (60, 356884), (66, 324440), (80, 267663), (88, 243330), (110, 194664), (120, 178442), (132, 162220), (165, 129776), (176, 121665), (220, 97332), (240, 89221), (264, 81110), (330, 64888), (440, 48666), (528, 40555), (660, 32444), (880, 24333), (1320, 16222), (2640, 8111)]