21401886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3343}}^1$

素因数の和:3456

約数の個数: 32

約数和(自身を含む): 47190528

約数和(自身を除く): 25788642

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3343, 6402, 6686, 10029, 20058, 36773, 73546, 110319, 220638, 324271, 648542, 972813, 1945626, 3566981, 7133962, 10700943, 21401886]

約数ペア:

[(1, 21401886), (2, 10700943), (3, 7133962), (6, 3566981), (11, 1945626), (22, 972813), (33, 648542), (66, 324271), (97, 220638), (194, 110319), (291, 73546), (582, 36773), (1067, 20058), (2134, 10029), (3201, 6686), (3343, 6402)]