217081638

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{21121}}^1$

素因数の和:21700

約数の個数: 24

約数和(自身を含む): 471189576

約数和(自身を除く): 254107938

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 3426, 5139, 10278, 21121, 42242, 63363, 126726, 190089, 380178, 12060091, 24120182, 36180273, 72360546, 108540819, 217081638]

約数ペア:

[(1, 217081638), (2, 108540819), (3, 72360546), (6, 36180273), (9, 24120182), (18, 12060091), (571, 380178), (1142, 190089), (1713, 126726), (3426, 63363), (5139, 42242), (10278, 21121)]