21113694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9857}}^1$

素因数の和:9889

約数の個数: 48

約数和(自身を含む): 55362528

約数和(自身を除く): 34248834

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9857, 19714, 29571, 59142, 68999, 88713, 137998, 167569, 177426, 206997, 335138, 413994, 502707, 620991, 1005414, 1172983, 1241982, 1508121, 2345966, 3016242, 3518949, 7037898, 10556847, 21113694]

約数ペア:

[(1, 21113694), (2, 10556847), (3, 7037898), (6, 3518949), (7, 3016242), (9, 2345966), (14, 1508121), (17, 1241982), (18, 1172983), (21, 1005414), (34, 620991), (42, 502707), (51, 413994), (63, 335138), (102, 206997), (119, 177426), (126, 167569), (153, 137998), (238, 88713), (306, 68999), (357, 59142), (714, 29571), (1071, 19714), (2142, 9857)]