21197844

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 38556396

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1823, 1938, 2907, 3646, 3876, 5469, 5814, 7292, 10938, 11628, 16407, 21876, 30991, 32814, 34637, 61982, 65628, 69274, 92973, 103911, 123964, 138548, 185946, 207822, 278919, 311733, 371892, 415644, 557838, 588829, 623466, 1115676, 1177658, 1246932, 1766487, 2355316, 3532974, 5299461, 7065948, 10598922, 21197844]

約数ペア:

[(1, 21197844), (2, 10598922), (3, 7065948), (4, 5299461), (6, 3532974), (9, 2355316), (12, 1766487), (17, 1246932), (18, 1177658), (19, 1115676), (34, 623466), (36, 588829), (38, 557838), (51, 415644), (57, 371892), (68, 311733), (76, 278919), (102, 207822), (114, 185946), (153, 138548), (171, 123964), (204, 103911), (228, 92973), (306, 69274), (323, 65628), (342, 61982), (612, 34637), (646, 32814), (684, 30991), (969, 21876), (1292, 16407), (1823, 11628), (1938, 10938), (2907, 7292), (3646, 5814), (3876, 5469)]