20211438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259121}}^1$

素因数の和:259139

約数の個数: 16

約数和(自身を含む): 43532496

約数和(自身を除く): 23321058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259121, 518242, 777363, 1554726, 3368573, 6737146, 10105719, 20211438]

約数ペア:

[(1, 20211438), (2, 10105719), (3, 6737146), (6, 3368573), (13, 1554726), (26, 777363), (39, 518242), (78, 259121)]