21901077

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 36370560

約数和(自身を除く): 14469483

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1993, 3663, 5979, 10989, 17937, 21923, 53811, 65769, 73741, 197307, 221223, 591921, 663669, 811151, 1991007, 2433453, 7300359, 21901077]

約数ペア:

[(1, 21901077), (3, 7300359), (9, 2433453), (11, 1991007), (27, 811151), (33, 663669), (37, 591921), (99, 221223), (111, 197307), (297, 73741), (333, 65769), (407, 53811), (999, 21923), (1221, 17937), (1993, 10989), (3663, 5979)]