21739728

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1447}}^1$

素因数の和:1771

約数の個数: 40

約数和(自身を含む): 56379328

約数和(自身を除く): 34639600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1447, 1878, 2504, 2894, 3756, 4341, 5008, 5788, 7512, 8682, 11576, 15024, 17364, 23152, 34728, 69456, 452911, 905822, 1358733, 1811644, 2717466, 3623288, 5434932, 7246576, 10869864, 21739728]

約数ペア:

[(1, 21739728), (2, 10869864), (3, 7246576), (4, 5434932), (6, 3623288), (8, 2717466), (12, 1811644), (16, 1358733), (24, 905822), (48, 452911), (313, 69456), (626, 34728), (939, 23152), (1252, 17364), (1447, 15024), (1878, 11576), (2504, 8682), (2894, 7512), (3756, 5788), (4341, 5008)]