21192288

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17007

約数の個数: 48

約数和(自身を含む): 59912496

約数和(自身を除く): 38720208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16981, 33962, 50943, 67924, 101886, 135848, 203772, 220753, 271696, 407544, 441506, 543392, 662259, 815088, 883012, 1324518, 1630176, 1766024, 2649036, 3532048, 5298072, 7064096, 10596144, 21192288]

約数ペア:

[(1, 21192288), (2, 10596144), (3, 7064096), (4, 5298072), (6, 3532048), (8, 2649036), (12, 1766024), (13, 1630176), (16, 1324518), (24, 883012), (26, 815088), (32, 662259), (39, 543392), (48, 441506), (52, 407544), (78, 271696), (96, 220753), (104, 203772), (156, 135848), (208, 101886), (312, 67924), (416, 50943), (624, 33962), (1248, 16981)]