21153708

素因数分解:

$2^2\times 3^2\times {\mathrm{587603}}^1$

素因数の和:587613

約数の個数: 18

約数和(自身を含む): 53471964

約数和(自身を除く): 32318256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587603, 1175206, 1762809, 2350412, 3525618, 5288427, 7051236, 10576854, 21153708]

約数ペア:

[(1, 21153708), (2, 10576854), (3, 7051236), (4, 5288427), (6, 3525618), (9, 2350412), (12, 1762809), (18, 1175206), (36, 587603)]