21906865233

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2539}}^1$

素因数の和:2728

約数の個数: 96

約数和(自身を含む): 37835840000

約数和(自身を除く): 15928974767

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 139, 171, 209, 297, 363, 417, 513, 627, 1089, 1251, 1529, 1881, 2299, 2539, 2641, 3267, 3753, 4587, 5643, 6897, 7617, 7923, 13761, 16819, 20691, 22851, 23769, 27929, 29051, 41283, 48241, 50457, 62073, 68553, 71307, 83787, 87153, 144723, 151371, 251361, 261459, 307219, 319561, 352921, 434169, 454113, 530651, 754083, 784377, 921657, 958683, 1058763, 1302507, 1591953, 2764971, 2876049, 3176289, 3882131, 4775859, 5837161, 6705499, 8294913, 8628147, 9528867, 11646393, 14327577, 17511483, 20116497, 34939179, 42703441, 52534449, 60349491, 73760489, 104817537, 128110323, 157603347, 181048473, 221281467, 384330969, 663844401, 811365379, 1152992907, 1991533203, 2434096137, 7302288411, 21906865233]

約数ペア:

[(1, 21906865233), (3, 7302288411), (9, 2434096137), (11, 1991533203), (19, 1152992907), (27, 811365379), (33, 663844401), (57, 384330969), (99, 221281467), (121, 181048473), (139, 157603347), (171, 128110323), (209, 104817537), (297, 73760489), (363, 60349491), (417, 52534449), (513, 42703441), (627, 34939179), (1089, 20116497), (1251, 17511483), (1529, 14327577), (1881, 11646393), (2299, 9528867), (2539, 8628147), (2641, 8294913), (3267, 6705499), (3753, 5837161), (4587, 4775859), (5643, 3882131), (6897, 3176289), (7617, 2876049), (7923, 2764971), (13761, 1591953), (16819, 1302507), (20691, 1058763), (22851, 958683), (23769, 921657), (27929, 784377), (29051, 754083), (41283, 530651), (48241, 454113), (50457, 434169), (62073, 352921), (68553, 319561), (71307, 307219), (83787, 261459), (87153, 251361), (144723, 151371)]