21103617609

素因数分解:

$3^6\times {\mathrm{101}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1209

約数の個数: 56

約数和(自身を含む): 32075860032

約数和(自身を除く): 10972242423

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 443, 647, 729, 909, 1329, 1941, 2727, 3987, 5823, 8181, 11961, 17469, 24543, 35883, 44743, 52407, 65347, 73629, 107649, 134229, 157221, 196041, 286621, 322947, 402687, 471663, 588123, 859863, 1208061, 1764369, 2579589, 3624183, 5293107, 7738767, 10872549, 15879321, 23216301, 28948721, 32617647, 47637963, 69648903, 86846163, 208946709, 260538489, 781615467, 2344846401, 7034539203, 21103617609]

約数ペア:

[(1, 21103617609), (3, 7034539203), (9, 2344846401), (27, 781615467), (81, 260538489), (101, 208946709), (243, 86846163), (303, 69648903), (443, 47637963), (647, 32617647), (729, 28948721), (909, 23216301), (1329, 15879321), (1941, 10872549), (2727, 7738767), (3987, 5293107), (5823, 3624183), (8181, 2579589), (11961, 1764369), (17469, 1208061), (24543, 859863), (35883, 588123), (44743, 471663), (52407, 402687), (65347, 322947), (73629, 286621), (107649, 196041), (134229, 157221)]