21663438

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15107}}^1$

素因数の和:15351

約数の個数: 16

約数和(自身を含む): 43511040

約数和(自身を除く): 21847602

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15107, 30214, 45321, 90642, 3610573, 7221146, 10831719, 21663438]

約数ペア:

[(1, 21663438), (2, 10831719), (3, 7221146), (6, 3610573), (239, 90642), (478, 45321), (717, 30214), (1434, 15107)]