21722718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157411}}^1$

素因数の和:157439

約数の個数: 16

約数和(自身を含む): 45334656

約数和(自身を除く): 23611938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157411, 314822, 472233, 944466, 3620453, 7240906, 10861359, 21722718]

約数ペア:

[(1, 21722718), (2, 10861359), (3, 7240906), (6, 3620453), (23, 944466), (46, 472233), (69, 314822), (138, 157411)]