21719472

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 39169488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 43, 48, 51, 68, 86, 102, 129, 136, 172, 204, 258, 272, 344, 408, 516, 619, 688, 731, 816, 1032, 1238, 1462, 1857, 2064, 2193, 2476, 2924, 3714, 4386, 4952, 5848, 7428, 8772, 9904, 10523, 11696, 14856, 17544, 21046, 26617, 29712, 31569, 35088, 42092, 53234, 63138, 79851, 84184, 106468, 126276, 159702, 168368, 212936, 252552, 319404, 425872, 452489, 505104, 638808, 904978, 1277616, 1357467, 1809956, 2714934, 3619912, 5429868, 7239824, 10859736, 21719472]

約数ペア:

[(1, 21719472), (2, 10859736), (3, 7239824), (4, 5429868), (6, 3619912), (8, 2714934), (12, 1809956), (16, 1357467), (17, 1277616), (24, 904978), (34, 638808), (43, 505104), (48, 452489), (51, 425872), (68, 319404), (86, 252552), (102, 212936), (129, 168368), (136, 159702), (172, 126276), (204, 106468), (258, 84184), (272, 79851), (344, 63138), (408, 53234), (516, 42092), (619, 35088), (688, 31569), (731, 29712), (816, 26617), (1032, 21046), (1238, 17544), (1462, 14856), (1857, 11696), (2064, 10523), (2193, 9904), (2476, 8772), (2924, 7428), (3714, 5848), (4386, 4952)]