21003973648

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2799037}}^1$

素因数の和:2799119

約数の個数: 40

約数和(自身を含む): 47202976832

約数和(自身を除く): 26199003184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 2799037, 5598074, 11196148, 19593259, 22392296, 39186518, 44784592, 78373036, 156746072, 187535479, 313492144, 375070958, 750141916, 1312748353, 1500283832, 2625496706, 3000567664, 5250993412, 10501986824, 21003973648]

約数ペア:

[(1, 21003973648), (2, 10501986824), (4, 5250993412), (7, 3000567664), (8, 2625496706), (14, 1500283832), (16, 1312748353), (28, 750141916), (56, 375070958), (67, 313492144), (112, 187535479), (134, 156746072), (268, 78373036), (469, 44784592), (536, 39186518), (938, 22392296), (1072, 19593259), (1876, 11196148), (3752, 5598074), (7504, 2799037)]