2021103324

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{7829}}^1$

素因数の和:8011

約数の個数: 72

約数和(自身を含む): 5232820320

約数和(自身を除く): 3211716996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 101, 142, 202, 213, 284, 303, 404, 426, 606, 639, 852, 909, 1212, 1278, 1818, 2556, 3636, 7171, 7829, 14342, 15658, 21513, 23487, 28684, 31316, 43026, 46974, 64539, 70461, 86052, 93948, 129078, 140922, 258156, 281844, 555859, 790729, 1111718, 1581458, 1667577, 2223436, 2372187, 3162916, 3335154, 4744374, 5002731, 6670308, 7116561, 9488748, 10005462, 14233122, 20010924, 28466244, 56141759, 112283518, 168425277, 224567036, 336850554, 505275831, 673701108, 1010551662, 2021103324]

約数ペア:

[(1, 2021103324), (2, 1010551662), (3, 673701108), (4, 505275831), (6, 336850554), (9, 224567036), (12, 168425277), (18, 112283518), (36, 56141759), (71, 28466244), (101, 20010924), (142, 14233122), (202, 10005462), (213, 9488748), (284, 7116561), (303, 6670308), (404, 5002731), (426, 4744374), (606, 3335154), (639, 3162916), (852, 2372187), (909, 2223436), (1212, 1667577), (1278, 1581458), (1818, 1111718), (2556, 790729), (3636, 555859), (7171, 281844), (7829, 258156), (14342, 140922), (15658, 129078), (21513, 93948), (23487, 86052), (28684, 70461), (31316, 64539), (43026, 46974)]