21531865942

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{6571}}^1$

素因数の和:7152

約数の個数: 32

約数和(自身を含む): 33536916000

約数和(自身を除く): 12005050058

約数列:

[1, 2, 41, 82, 89, 178, 449, 898, 3649, 6571, 7298, 13142, 18409, 36818, 39961, 79922, 269411, 538822, 584819, 1169638, 1638401, 2950379, 3276802, 5900758, 23977579, 47955158, 120965539, 241931078, 262583731, 525167462, 10765932971, 21531865942]

約数ペア:

[(1, 21531865942), (2, 10765932971), (41, 525167462), (82, 262583731), (89, 241931078), (178, 120965539), (449, 47955158), (898, 23977579), (3649, 5900758), (6571, 3276802), (7298, 2950379), (13142, 1638401), (18409, 1169638), (36818, 584819), (39961, 538822), (79922, 269411)]