21659120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38677}}^1$

素因数の和:38697

約数の個数: 40

約数和(自身を含む): 57552864

約数和(自身を除く): 35893744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38677, 77354, 154708, 193385, 270739, 309416, 386770, 541478, 618832, 773540, 1082956, 1353695, 1547080, 2165912, 2707390, 3094160, 4331824, 5414780, 10829560, 21659120]

約数ペア:

[(1, 21659120), (2, 10829560), (4, 5414780), (5, 4331824), (7, 3094160), (8, 2707390), (10, 2165912), (14, 1547080), (16, 1353695), (20, 1082956), (28, 773540), (35, 618832), (40, 541478), (56, 386770), (70, 309416), (80, 270739), (112, 193385), (140, 154708), (280, 77354), (560, 38677)]