21327540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 66138240

約数和(自身を除く): 44810700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 739, 740, 780, 962, 1110, 1443, 1478, 1924, 2217, 2220, 2405, 2886, 2956, 3695, 4434, 4810, 5772, 7215, 7390, 8868, 9607, 9620, 11085, 14430, 14780, 19214, 22170, 27343, 28821, 28860, 38428, 44340, 48035, 54686, 57642, 82029, 96070, 109372, 115284, 136715, 144105, 164058, 192140, 273430, 288210, 328116, 355459, 410145, 546860, 576420, 710918, 820290, 1066377, 1421836, 1640580, 1777295, 2132754, 3554590, 4265508, 5331885, 7109180, 10663770, 21327540]

約数ペア:

[(1, 21327540), (2, 10663770), (3, 7109180), (4, 5331885), (5, 4265508), (6, 3554590), (10, 2132754), (12, 1777295), (13, 1640580), (15, 1421836), (20, 1066377), (26, 820290), (30, 710918), (37, 576420), (39, 546860), (52, 410145), (60, 355459), (65, 328116), (74, 288210), (78, 273430), (111, 192140), (130, 164058), (148, 144105), (156, 136715), (185, 115284), (195, 109372), (222, 96070), (260, 82029), (370, 57642), (390, 54686), (444, 48035), (481, 44340), (555, 38428), (739, 28860), (740, 28821), (780, 27343), (962, 22170), (1110, 19214), (1443, 14780), (1478, 14430), (1924, 11085), (2217, 9620), (2220, 9607), (2405, 8868), (2886, 7390), (2956, 7215), (3695, 5772), (4434, 4810)]