21003444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7577}}^1$

素因数の和:7605

約数の個数: 72

約数和(自身を含む): 66201408

約数和(自身を除く): 45197964

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7577, 15154, 22731, 30308, 45462, 53039, 68193, 83347, 90924, 106078, 136386, 159117, 166694, 212156, 250041, 272772, 318234, 333388, 477351, 500082, 583429, 636468, 750123, 954702, 1000164, 1166858, 1500246, 1750287, 1909404, 2333716, 3000492, 3500574, 5250861, 7001148, 10501722, 21003444]

約数ペア:

[(1, 21003444), (2, 10501722), (3, 7001148), (4, 5250861), (6, 3500574), (7, 3000492), (9, 2333716), (11, 1909404), (12, 1750287), (14, 1500246), (18, 1166858), (21, 1000164), (22, 954702), (28, 750123), (33, 636468), (36, 583429), (42, 500082), (44, 477351), (63, 333388), (66, 318234), (77, 272772), (84, 250041), (99, 212156), (126, 166694), (132, 159117), (154, 136386), (198, 106078), (231, 90924), (252, 83347), (308, 68193), (396, 53039), (462, 45462), (693, 30308), (924, 22731), (1386, 15154), (2772, 7577)]