21756288

素因数分解:

$2^7\times 3^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 58935600

約数和(自身を除く): 37179312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 318, 384, 424, 636, 848, 1069, 1272, 1696, 2138, 2544, 3207, 3392, 4276, 5088, 6414, 6784, 8552, 10176, 12828, 17104, 20352, 25656, 34208, 51312, 56657, 68416, 102624, 113314, 136832, 169971, 205248, 226628, 339942, 410496, 453256, 679884, 906512, 1359768, 1813024, 2719536, 3626048, 5439072, 7252096, 10878144, 21756288]

約数ペア:

[(1, 21756288), (2, 10878144), (3, 7252096), (4, 5439072), (6, 3626048), (8, 2719536), (12, 1813024), (16, 1359768), (24, 906512), (32, 679884), (48, 453256), (53, 410496), (64, 339942), (96, 226628), (106, 205248), (128, 169971), (159, 136832), (192, 113314), (212, 102624), (318, 68416), (384, 56657), (424, 51312), (636, 34208), (848, 25656), (1069, 20352), (1272, 17104), (1696, 12828), (2138, 10176), (2544, 8552), (3207, 6784), (3392, 6414), (4276, 5088)]