21414540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 69640704

約数和(自身を除く): 48226164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 761, 804, 938, 1005, 1340, 1407, 1522, 1876, 2010, 2283, 2345, 2814, 3044, 3805, 4020, 4566, 4690, 5327, 5628, 7035, 7610, 9132, 9380, 10654, 11415, 14070, 15220, 15981, 21308, 22830, 26635, 28140, 31962, 45660, 50987, 53270, 63924, 79905, 101974, 106540, 152961, 159810, 203948, 254935, 305922, 319620, 356909, 509870, 611844, 713818, 764805, 1019740, 1070727, 1427636, 1529610, 1784545, 2141454, 3059220, 3569090, 4282908, 5353635, 7138180, 10707270, 21414540]

約数ペア:

[(1, 21414540), (2, 10707270), (3, 7138180), (4, 5353635), (5, 4282908), (6, 3569090), (7, 3059220), (10, 2141454), (12, 1784545), (14, 1529610), (15, 1427636), (20, 1070727), (21, 1019740), (28, 764805), (30, 713818), (35, 611844), (42, 509870), (60, 356909), (67, 319620), (70, 305922), (84, 254935), (105, 203948), (134, 159810), (140, 152961), (201, 106540), (210, 101974), (268, 79905), (335, 63924), (402, 53270), (420, 50987), (469, 45660), (670, 31962), (761, 28140), (804, 26635), (938, 22830), (1005, 21308), (1340, 15981), (1407, 15220), (1522, 14070), (1876, 11415), (2010, 10654), (2283, 9380), (2345, 9132), (2814, 7610), (3044, 7035), (3805, 5628), (4020, 5327), (4566, 4690)]