21193284

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 60928000

約数和(自身を除く): 39734716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 271, 294, 343, 399, 532, 542, 588, 686, 798, 813, 931, 1029, 1084, 1372, 1596, 1626, 1862, 1897, 2058, 2793, 3252, 3724, 3794, 4116, 5149, 5586, 5691, 6517, 7588, 10298, 11172, 11382, 13034, 13279, 15447, 19551, 20596, 22764, 26068, 26558, 30894, 36043, 39102, 39837, 53116, 61788, 72086, 78204, 79674, 92953, 108129, 144172, 159348, 185906, 216258, 252301, 278859, 371812, 432516, 504602, 557718, 756903, 1009204, 1115436, 1513806, 1766107, 3027612, 3532214, 5298321, 7064428, 10596642, 21193284]

約数ペア:

[(1, 21193284), (2, 10596642), (3, 7064428), (4, 5298321), (6, 3532214), (7, 3027612), (12, 1766107), (14, 1513806), (19, 1115436), (21, 1009204), (28, 756903), (38, 557718), (42, 504602), (49, 432516), (57, 371812), (76, 278859), (84, 252301), (98, 216258), (114, 185906), (133, 159348), (147, 144172), (196, 108129), (228, 92953), (266, 79674), (271, 78204), (294, 72086), (343, 61788), (399, 53116), (532, 39837), (542, 39102), (588, 36043), (686, 30894), (798, 26558), (813, 26068), (931, 22764), (1029, 20596), (1084, 19551), (1372, 15447), (1596, 13279), (1626, 13034), (1862, 11382), (1897, 11172), (2058, 10298), (2793, 7588), (3252, 6517), (3724, 5691), (3794, 5586), (4116, 5149)]