21395424

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 59076864

約数和(自身を除く): 37681440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 71, 73, 86, 96, 129, 142, 146, 172, 213, 219, 258, 284, 292, 344, 426, 438, 516, 568, 584, 688, 852, 876, 1032, 1136, 1168, 1376, 1704, 1752, 2064, 2272, 2336, 3053, 3139, 3408, 3504, 4128, 5183, 6106, 6278, 6816, 7008, 9159, 9417, 10366, 12212, 12556, 15549, 18318, 18834, 20732, 24424, 25112, 31098, 36636, 37668, 41464, 48848, 50224, 62196, 73272, 75336, 82928, 97696, 100448, 124392, 146544, 150672, 165856, 222869, 248784, 293088, 301344, 445738, 497568, 668607, 891476, 1337214, 1782952, 2674428, 3565904, 5348856, 7131808, 10697712, 21395424]

約数ペア:

[(1, 21395424), (2, 10697712), (3, 7131808), (4, 5348856), (6, 3565904), (8, 2674428), (12, 1782952), (16, 1337214), (24, 891476), (32, 668607), (43, 497568), (48, 445738), (71, 301344), (73, 293088), (86, 248784), (96, 222869), (129, 165856), (142, 150672), (146, 146544), (172, 124392), (213, 100448), (219, 97696), (258, 82928), (284, 75336), (292, 73272), (344, 62196), (426, 50224), (438, 48848), (516, 41464), (568, 37668), (584, 36636), (688, 31098), (852, 25112), (876, 24424), (1032, 20732), (1136, 18834), (1168, 18318), (1376, 15549), (1704, 12556), (1752, 12212), (2064, 10366), (2272, 9417), (2336, 9159), (3053, 7008), (3139, 6816), (3408, 6278), (3504, 6106), (4128, 5183)]