21643272

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42943}}^1$

素因数の和:42962

約数の個数: 48

約数和(自身を含む): 66992640

約数和(自身を除く): 45349368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42943, 85886, 128829, 171772, 257658, 300601, 343544, 386487, 515316, 601202, 772974, 901803, 1030632, 1202404, 1545948, 1803606, 2404808, 2705409, 3091896, 3607212, 5410818, 7214424, 10821636, 21643272]

約数ペア:

[(1, 21643272), (2, 10821636), (3, 7214424), (4, 5410818), (6, 3607212), (7, 3091896), (8, 2705409), (9, 2404808), (12, 1803606), (14, 1545948), (18, 1202404), (21, 1030632), (24, 901803), (28, 772974), (36, 601202), (42, 515316), (56, 386487), (63, 343544), (72, 300601), (84, 257658), (126, 171772), (168, 128829), (252, 85886), (504, 42943)]