21322389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 12408171

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1023, 1097, 1767, 3291, 6479, 12067, 19437, 20843, 34007, 36201, 62529, 102021, 229273, 374077, 646133, 687819, 1122231, 1938399, 7107463, 21322389]

約数ペア:

[(1, 21322389), (3, 7107463), (11, 1938399), (19, 1122231), (31, 687819), (33, 646133), (57, 374077), (93, 229273), (209, 102021), (341, 62529), (589, 36201), (627, 34007), (1023, 20843), (1097, 19437), (1767, 12067), (3291, 6479)]