21282144

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17053}}^1$

素因数の和:17079

約数の個数: 48

約数和(自身を含む): 60166512

約数和(自身を除く): 38884368

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, 17053, 34106, 51159, 68212, 102318, 136424, 204636, 221689, 272848, 409272, 443378, 545696, 665067, 818544, 886756, 1330134, 1637088, 1773512, 2660268, 3547024, 5320536, 7094048, 10641072, 21282144]

約数ペア:

[(1, 21282144), (2, 10641072), (3, 7094048), (4, 5320536), (6, 3547024), (8, 2660268), (12, 1773512), (13, 1637088), (16, 1330134), (24, 886756), (26, 818544), (32, 665067), (39, 545696), (48, 443378), (52, 409272), (78, 272848), (96, 221689), (104, 204636), (156, 136424), (208, 102318), (312, 68212), (416, 51159), (624, 34106), (1248, 17053)]