20211346701

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{911}}^1$

素因数の和:1303

約数の個数: 96

約数和(自身を含む): 36458053632

約数和(自身を除く): 16246706931

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 263, 273, 309, 721, 789, 819, 911, 927, 1339, 1841, 2163, 2367, 2733, 3419, 4017, 5523, 6377, 6489, 8199, 9373, 10257, 11843, 12051, 16569, 19131, 23933, 27089, 28119, 30771, 35529, 57393, 71799, 81267, 82901, 84357, 93833, 106587, 189623, 215397, 239593, 243801, 248703, 281499, 352157, 568869, 656831, 718779, 746109, 844497, 1056471, 1219829, 1677151, 1706607, 1970493, 2156337, 2465099, 3114709, 3169413, 3659487, 5031453, 5911479, 7395297, 8538803, 9344127, 10978461, 15094359, 21802963, 22185891, 24678079, 25616409, 28032381, 65408889, 74034237, 76849227, 172746553, 196226667, 222102711, 320815027, 518239659, 962445081, 1554718977, 2245705189, 2887335243, 6737115567, 20211346701]

約数ペア:

[(1, 20211346701), (3, 6737115567), (7, 2887335243), (9, 2245705189), (13, 1554718977), (21, 962445081), (39, 518239659), (63, 320815027), (91, 222102711), (103, 196226667), (117, 172746553), (263, 76849227), (273, 74034237), (309, 65408889), (721, 28032381), (789, 25616409), (819, 24678079), (911, 22185891), (927, 21802963), (1339, 15094359), (1841, 10978461), (2163, 9344127), (2367, 8538803), (2733, 7395297), (3419, 5911479), (4017, 5031453), (5523, 3659487), (6377, 3169413), (6489, 3114709), (8199, 2465099), (9373, 2156337), (10257, 1970493), (11843, 1706607), (12051, 1677151), (16569, 1219829), (19131, 1056471), (23933, 844497), (27089, 746109), (28119, 718779), (30771, 656831), (35529, 568869), (57393, 352157), (71799, 281499), (81267, 248703), (82901, 243801), (84357, 239593), (93833, 215397), (106587, 189623)]