21411768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 61551360

約数和(自身を除く): 40139592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 233, 466, 547, 699, 932, 1094, 1398, 1631, 1641, 1864, 2188, 2796, 3262, 3282, 3829, 4376, 4893, 5592, 6524, 6564, 7658, 9786, 11487, 13048, 13128, 15316, 19572, 22974, 30632, 39144, 45948, 91896, 127451, 254902, 382353, 509804, 764706, 892157, 1019608, 1529412, 1784314, 2676471, 3058824, 3568628, 5352942, 7137256, 10705884, 21411768]

約数ペア:

[(1, 21411768), (2, 10705884), (3, 7137256), (4, 5352942), (6, 3568628), (7, 3058824), (8, 2676471), (12, 1784314), (14, 1529412), (21, 1019608), (24, 892157), (28, 764706), (42, 509804), (56, 382353), (84, 254902), (168, 127451), (233, 91896), (466, 45948), (547, 39144), (699, 30632), (932, 22974), (1094, 19572), (1398, 15316), (1631, 13128), (1641, 13048), (1864, 11487), (2188, 9786), (2796, 7658), (3262, 6564), (3282, 6524), (3829, 5592), (4376, 4893)]