21611619

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 11095965

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1091, 2201, 3273, 6603, 9819, 19809, 33821, 77461, 101463, 232383, 304389, 697149, 2401291, 7203873, 21611619]

約数ペア:

[(1, 21611619), (3, 7203873), (9, 2401291), (31, 697149), (71, 304389), (93, 232383), (213, 101463), (279, 77461), (639, 33821), (1091, 19809), (2201, 9819), (3273, 6603)]