21000612392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{58741}}^1$

素因数の和:58866

約数の個数: 64

約数和(自身を含む): 43140124800

約数和(自身を除く): 22139512408

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 67, 92, 116, 134, 184, 232, 268, 536, 667, 1334, 1541, 1943, 2668, 3082, 3886, 5336, 6164, 7772, 12328, 15544, 44689, 58741, 89378, 117482, 178756, 234964, 357512, 469928, 1351043, 1703489, 2702086, 3406978, 3935647, 5404172, 6813956, 7871294, 10808344, 13627912, 15742588, 31485176, 39180247, 78360494, 90519881, 114133763, 156720988, 181039762, 228267526, 313441976, 362079524, 456535052, 724159048, 913070104, 2625076549, 5250153098, 10500306196, 21000612392]

約数ペア:

[(1, 21000612392), (2, 10500306196), (4, 5250153098), (8, 2625076549), (23, 913070104), (29, 724159048), (46, 456535052), (58, 362079524), (67, 313441976), (92, 228267526), (116, 181039762), (134, 156720988), (184, 114133763), (232, 90519881), (268, 78360494), (536, 39180247), (667, 31485176), (1334, 15742588), (1541, 13627912), (1943, 10808344), (2668, 7871294), (3082, 6813956), (3886, 5404172), (5336, 3935647), (6164, 3406978), (7772, 2702086), (12328, 1703489), (15544, 1351043), (44689, 469928), (58741, 357512), (89378, 234964), (117482, 178756)]