21443688

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 67042560

約数和(自身を除く): 45598872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 157, 168, 252, 271, 314, 471, 504, 542, 628, 813, 942, 1084, 1099, 1256, 1413, 1626, 1884, 1897, 2168, 2198, 2439, 2826, 3252, 3297, 3768, 3794, 4396, 4878, 5652, 5691, 6504, 6594, 7588, 8792, 9756, 9891, 11304, 11382, 13188, 15176, 17073, 19512, 19782, 22764, 26376, 34146, 39564, 42547, 45528, 68292, 79128, 85094, 127641, 136584, 170188, 255282, 297829, 340376, 382923, 510564, 595658, 765846, 893487, 1021128, 1191316, 1531692, 1786974, 2382632, 2680461, 3063384, 3573948, 5360922, 7147896, 10721844, 21443688]

約数ペア:

[(1, 21443688), (2, 10721844), (3, 7147896), (4, 5360922), (6, 3573948), (7, 3063384), (8, 2680461), (9, 2382632), (12, 1786974), (14, 1531692), (18, 1191316), (21, 1021128), (24, 893487), (28, 765846), (36, 595658), (42, 510564), (56, 382923), (63, 340376), (72, 297829), (84, 255282), (126, 170188), (157, 136584), (168, 127641), (252, 85094), (271, 79128), (314, 68292), (471, 45528), (504, 42547), (542, 39564), (628, 34146), (813, 26376), (942, 22764), (1084, 19782), (1099, 19512), (1256, 17073), (1413, 15176), (1626, 13188), (1884, 11382), (1897, 11304), (2168, 9891), (2198, 9756), (2439, 8792), (2826, 7588), (3252, 6594), (3297, 6504), (3768, 5691), (3794, 5652), (4396, 4878)]