21580048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10141}}^1$

素因数の和:10175

約数の個数: 40

約数和(自身を含む): 50304320

約数和(自身を除く): 28724272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10141, 20282, 40564, 70987, 81128, 141974, 162256, 192679, 283948, 385358, 567896, 770716, 1135792, 1348753, 1541432, 2697506, 3082864, 5395012, 10790024, 21580048]

約数ペア:

[(1, 21580048), (2, 10790024), (4, 5395012), (7, 3082864), (8, 2697506), (14, 1541432), (16, 1348753), (19, 1135792), (28, 770716), (38, 567896), (56, 385358), (76, 283948), (112, 192679), (133, 162256), (152, 141974), (266, 81128), (304, 70987), (532, 40564), (1064, 20282), (2128, 10141)]