21656322

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3664

約数の個数: 40

約数和(自身を含む): 49851516

約数和(自身を除く): 28195194

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3613, 5994, 7226, 10839, 21678, 32517, 65034, 97551, 133681, 195102, 267362, 292653, 401043, 585306, 802086, 1203129, 2406258, 3609387, 7218774, 10828161, 21656322]

約数ペア:

[(1, 21656322), (2, 10828161), (3, 7218774), (6, 3609387), (9, 2406258), (18, 1203129), (27, 802086), (37, 585306), (54, 401043), (74, 292653), (81, 267362), (111, 195102), (162, 133681), (222, 97551), (333, 65034), (666, 32517), (999, 21678), (1998, 10839), (2997, 7226), (3613, 5994)]