21139998712

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{36583}}^1$

素因数の和:37220

約数の個数: 64

約数和(自身を含む): 48045035520

約数和(自身を除く): 26905036808

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 607, 952, 1214, 2428, 4249, 4856, 8498, 10319, 16996, 20638, 33992, 36583, 41276, 72233, 73166, 82552, 144466, 146332, 256081, 288932, 292664, 512162, 577864, 621911, 1024324, 1243822, 2048648, 2487644, 4353377, 4975288, 8706754, 17413508, 22205881, 34827016, 44411762, 88823524, 155441167, 177647048, 310882334, 377499977, 621764668, 754999954, 1243529336, 1509999908, 2642499839, 3019999816, 5284999678, 10569999356, 21139998712]

約数ペア:

[(1, 21139998712), (2, 10569999356), (4, 5284999678), (7, 3019999816), (8, 2642499839), (14, 1509999908), (17, 1243529336), (28, 754999954), (34, 621764668), (56, 377499977), (68, 310882334), (119, 177647048), (136, 155441167), (238, 88823524), (476, 44411762), (607, 34827016), (952, 22205881), (1214, 17413508), (2428, 8706754), (4249, 4975288), (4856, 4353377), (8498, 2487644), (10319, 2048648), (16996, 1243822), (20638, 1024324), (33992, 621911), (36583, 577864), (41276, 512162), (72233, 292664), (73166, 288932), (82552, 256081), (144466, 146332)]