21000340848

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1\times {\mathrm{6599}}^1$

素因数の和:7174

約数の個数: 80

約数和(自身を含む): 54721497600

約数和(自身を除く): 33721156752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 397, 501, 668, 794, 1002, 1191, 1336, 1588, 2004, 2382, 2672, 3176, 4008, 4764, 6352, 6599, 8016, 9528, 13198, 19056, 19797, 26396, 39594, 52792, 66299, 79188, 105584, 132598, 158376, 198897, 265196, 316752, 397794, 530392, 795588, 1060784, 1102033, 1591176, 2204066, 2619803, 3182352, 3306099, 4408132, 5239606, 6612198, 7859409, 8816264, 10479212, 13224396, 15718818, 17632528, 20958424, 26448792, 31437636, 41916848, 52897584, 62875272, 125750544, 437507101, 875014202, 1312521303, 1750028404, 2625042606, 3500056808, 5250085212, 7000113616, 10500170424, 21000340848]

約数ペア:

[(1, 21000340848), (2, 10500170424), (3, 7000113616), (4, 5250085212), (6, 3500056808), (8, 2625042606), (12, 1750028404), (16, 1312521303), (24, 875014202), (48, 437507101), (167, 125750544), (334, 62875272), (397, 52897584), (501, 41916848), (668, 31437636), (794, 26448792), (1002, 20958424), (1191, 17632528), (1336, 15718818), (1588, 13224396), (2004, 10479212), (2382, 8816264), (2672, 7859409), (3176, 6612198), (4008, 5239606), (4764, 4408132), (6352, 3306099), (6599, 3182352), (8016, 2619803), (9528, 2204066), (13198, 1591176), (19056, 1102033), (19797, 1060784), (26396, 795588), (39594, 530392), (52792, 397794), (66299, 316752), (79188, 265196), (105584, 198897), (132598, 158376)]