21750489189

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1128

約数の個数: 144

約数和(自身を含む): 39425183616

約数和(自身を除く): 17674694427

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 67, 69, 99, 117, 121, 143, 201, 207, 253, 299, 363, 429, 603, 737, 759, 871, 897, 997, 1089, 1287, 1541, 1573, 2211, 2277, 2613, 2691, 2783, 2991, 3289, 4623, 4719, 6633, 7839, 8107, 8349, 8973, 9581, 9867, 10967, 12961, 13869, 14157, 16951, 20033, 22931, 24321, 25047, 28743, 29601, 32901, 36179, 38883, 50853, 60099, 66799, 68793, 72963, 86229, 98703, 105391, 108537, 116649, 120637, 142571, 152559, 180297, 186461, 200397, 206379, 220363, 252241, 298103, 316173, 325611, 361911, 427713, 559383, 601191, 661089, 734789, 756723, 868387, 894309, 948519, 1085733, 1283139, 1536377, 1568281, 1678149, 1983267, 2204367, 2270169, 2423993, 2605161, 2682927, 2774651, 3279133, 4609131, 4704843, 6613101, 7271979, 7815483, 8082679, 8323953, 9552257, 9837399, 13827393, 14114529, 16900147, 19972901, 21815937, 24248037, 24971859, 28656771, 29512197, 36070463, 50700441, 59918703, 72744111, 85970313, 105074827, 108211389, 152101323, 179756109, 185901617, 219701911, 315224481, 324634167, 557704851, 659105733, 945673443, 1673114553, 1977317199, 2416721021, 7250163063, 21750489189]

約数ペア:

[(1, 21750489189), (3, 7250163063), (9, 2416721021), (11, 1977317199), (13, 1673114553), (23, 945673443), (33, 659105733), (39, 557704851), (67, 324634167), (69, 315224481), (99, 219701911), (117, 185901617), (121, 179756109), (143, 152101323), (201, 108211389), (207, 105074827), (253, 85970313), (299, 72744111), (363, 59918703), (429, 50700441), (603, 36070463), (737, 29512197), (759, 28656771), (871, 24971859), (897, 24248037), (997, 21815937), (1089, 19972901), (1287, 16900147), (1541, 14114529), (1573, 13827393), (2211, 9837399), (2277, 9552257), (2613, 8323953), (2691, 8082679), (2783, 7815483), (2991, 7271979), (3289, 6613101), (4623, 4704843), (4719, 4609131), (6633, 3279133), (7839, 2774651), (8107, 2682927), (8349, 2605161), (8973, 2423993), (9581, 2270169), (9867, 2204367), (10967, 1983267), (12961, 1678149), (13869, 1568281), (14157, 1536377), (16951, 1283139), (20033, 1085733), (22931, 948519), (24321, 894309), (25047, 868387), (28743, 756723), (29601, 734789), (32901, 661089), (36179, 601191), (38883, 559383), (50853, 427713), (60099, 361911), (66799, 325611), (68793, 316173), (72963, 298103), (86229, 252241), (98703, 220363), (105391, 206379), (108537, 200397), (116649, 186461), (120637, 180297), (142571, 152559)]