21201454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{991}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 33569280

約数和(自身を除く): 12367826

約数列:

[1, 2, 19, 38, 563, 991, 1126, 1982, 10697, 18829, 21394, 37658, 557933, 1115866, 10600727, 21201454]

約数ペア:

[(1, 21201454), (2, 10600727), (19, 1115866), (38, 557933), (563, 37658), (991, 21394), (1126, 18829), (1982, 10697)]