21343542

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 46756224

約数和(自身を除く): 25412682

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331, 662, 977, 993, 1954, 1986, 2931, 3641, 5862, 7282, 10747, 10923, 21494, 21846, 32241, 64482, 323387, 646774, 970161, 1940322, 3557257, 7114514, 10671771, 21343542]

約数ペア:

[(1, 21343542), (2, 10671771), (3, 7114514), (6, 3557257), (11, 1940322), (22, 970161), (33, 646774), (66, 323387), (331, 64482), (662, 32241), (977, 21846), (993, 21494), (1954, 10923), (1986, 10747), (2931, 7282), (3641, 5862)]