21564630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 58893120

約数和(自身を除く): 37328490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 337, 395, 405, 474, 674, 711, 790, 810, 1011, 1185, 1422, 1685, 2022, 2133, 2370, 3033, 3370, 3555, 4266, 5055, 6066, 6399, 7110, 9099, 10110, 10665, 12798, 15165, 18198, 21330, 26623, 27297, 30330, 31995, 45495, 53246, 54594, 63990, 79869, 90990, 133115, 136485, 159738, 239607, 266230, 272970, 399345, 479214, 718821, 798690, 1198035, 1437642, 2156463, 2396070, 3594105, 4312926, 7188210, 10782315, 21564630]

約数ペア:

[(1, 21564630), (2, 10782315), (3, 7188210), (5, 4312926), (6, 3594105), (9, 2396070), (10, 2156463), (15, 1437642), (18, 1198035), (27, 798690), (30, 718821), (45, 479214), (54, 399345), (79, 272970), (81, 266230), (90, 239607), (135, 159738), (158, 136485), (162, 133115), (237, 90990), (270, 79869), (337, 63990), (395, 54594), (405, 53246), (474, 45495), (674, 31995), (711, 30330), (790, 27297), (810, 26623), (1011, 21330), (1185, 18198), (1422, 15165), (1685, 12798), (2022, 10665), (2133, 10110), (2370, 9099), (3033, 7110), (3370, 6399), (3555, 6066), (4266, 5055)]