21960603

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6577}}^1$

素因数の和:6643

約数の個数: 24

約数和(自身を含む): 36942048

約数和(自身を除く): 14981445

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6577, 19731, 46039, 59193, 138117, 348581, 414351, 1045743, 2440067, 3137229, 7320201, 21960603]

約数ペア:

[(1, 21960603), (3, 7320201), (7, 3137229), (9, 2440067), (21, 1045743), (53, 414351), (63, 348581), (159, 138117), (371, 59193), (477, 46039), (1113, 19731), (3339, 6577)]