21035639

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 22923264

約数和(自身を除く): 1887625

約数列:

[1, 23, 31, 163, 181, 713, 3749, 4163, 5053, 5611, 29503, 116219, 129053, 678569, 914593, 21035639]

約数ペア:

[(1, 21035639), (23, 914593), (31, 678569), (163, 129053), (181, 116219), (713, 29503), (3749, 5611), (4163, 5053)]