21500538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155801}}^1$

素因数の和:155829

約数の個数: 16

約数和(自身を含む): 44870976

約数和(自身を除く): 23370438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155801, 311602, 467403, 934806, 3583423, 7166846, 10750269, 21500538]

約数ペア:

[(1, 21500538), (2, 10750269), (3, 7166846), (6, 3583423), (23, 934806), (46, 467403), (69, 311602), (138, 155801)]