21668283

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8819}}^1$

素因数の和:8848

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 17845317

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8819, 26457, 61733, 79371, 114647, 185199, 238113, 343941, 555597, 802529, 1031823, 1666791, 2407587, 3095469, 7222761, 21668283]

約数ペア:

[(1, 21668283), (3, 7222761), (7, 3095469), (9, 2407587), (13, 1666791), (21, 1031823), (27, 802529), (39, 555597), (63, 343941), (91, 238113), (117, 185199), (189, 114647), (273, 79371), (351, 61733), (819, 26457), (2457, 8819)]