21759712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2753}}^1$

素因数の和:2795

約数の個数: 48

約数和(自身を含む): 48580560

約数和(自身を除く): 26820848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2753, 3952, 5506, 7904, 11012, 22024, 35789, 44048, 52307, 71578, 88096, 104614, 143156, 209228, 286312, 418456, 572624, 679991, 836912, 1145248, 1359982, 1673824, 2719964, 5439928, 10879856, 21759712]

約数ペア:

[(1, 21759712), (2, 10879856), (4, 5439928), (8, 2719964), (13, 1673824), (16, 1359982), (19, 1145248), (26, 836912), (32, 679991), (38, 572624), (52, 418456), (76, 286312), (104, 209228), (152, 143156), (208, 104614), (247, 88096), (304, 71578), (416, 52307), (494, 44048), (608, 35789), (988, 22024), (1976, 11012), (2753, 7904), (3952, 5506)]