21536212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 42154560

約数和(自身を除く): 20618348

約数列:

[1, 2, 4, 17, 29, 34, 58, 67, 68, 116, 134, 163, 268, 326, 493, 652, 986, 1139, 1943, 1972, 2278, 2771, 3886, 4556, 4727, 5542, 7772, 9454, 10921, 11084, 18908, 21842, 33031, 43684, 66062, 80359, 132124, 160718, 185657, 316709, 321436, 371314, 633418, 742628, 1266836, 5384053, 10768106, 21536212]

約数ペア:

[(1, 21536212), (2, 10768106), (4, 5384053), (17, 1266836), (29, 742628), (34, 633418), (58, 371314), (67, 321436), (68, 316709), (116, 185657), (134, 160718), (163, 132124), (268, 80359), (326, 66062), (493, 43684), (652, 33031), (986, 21842), (1139, 18908), (1943, 11084), (1972, 10921), (2278, 9454), (2771, 7772), (3886, 5542), (4556, 4727)]