21372454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18143}}^1$

素因数の和:18195

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 13464026

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18143, 36286, 344717, 562433, 689434, 1124866, 10686227, 21372454]

約数ペア:

[(1, 21372454), (2, 10686227), (19, 1124866), (31, 689434), (38, 562433), (62, 344717), (589, 36286), (1178, 18143)]