21810688

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1098

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 22873952

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 1039, 1312, 2078, 2624, 4156, 5248, 8312, 10496, 16624, 20992, 33248, 42599, 66496, 85198, 132992, 170396, 265984, 340792, 531968, 681584, 1363168, 2726336, 5452672, 10905344, 21810688]

約数ペア:

[(1, 21810688), (2, 10905344), (4, 5452672), (8, 2726336), (16, 1363168), (32, 681584), (41, 531968), (64, 340792), (82, 265984), (128, 170396), (164, 132992), (256, 85198), (328, 66496), (512, 42599), (656, 33248), (1039, 20992), (1312, 16624), (2078, 10496), (2624, 8312), (4156, 5248)]