21334796

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 27215524

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 337, 476, 532, 646, 674, 833, 931, 1292, 1348, 1666, 1862, 2261, 2359, 3332, 3724, 4522, 4718, 5729, 6403, 9044, 9436, 11458, 12806, 15827, 16513, 22916, 25612, 31654, 33026, 40103, 44821, 63308, 66052, 80206, 89642, 108851, 160412, 179284, 217702, 280721, 313747, 435404, 561442, 627494, 761957, 1122884, 1254988, 1523914, 3047828, 5333699, 10667398, 21334796]

約数ペア:

[(1, 21334796), (2, 10667398), (4, 5333699), (7, 3047828), (14, 1523914), (17, 1254988), (19, 1122884), (28, 761957), (34, 627494), (38, 561442), (49, 435404), (68, 313747), (76, 280721), (98, 217702), (119, 179284), (133, 160412), (196, 108851), (238, 89642), (266, 80206), (323, 66052), (337, 63308), (476, 44821), (532, 40103), (646, 33026), (674, 31654), (833, 25612), (931, 22916), (1292, 16513), (1348, 15827), (1666, 12806), (1862, 11458), (2261, 9436), (2359, 9044), (3332, 6403), (3724, 5729), (4522, 4718)]