21503244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 57609216

約数和(自身を除く): 36105972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 281, 562, 843, 911, 1124, 1686, 1822, 1967, 2733, 3372, 3644, 3934, 5466, 5901, 6377, 7868, 10932, 11802, 12754, 19131, 23604, 25508, 38262, 76524, 255991, 511982, 767973, 1023964, 1535946, 1791937, 3071892, 3583874, 5375811, 7167748, 10751622, 21503244]

約数ペア:

[(1, 21503244), (2, 10751622), (3, 7167748), (4, 5375811), (6, 3583874), (7, 3071892), (12, 1791937), (14, 1535946), (21, 1023964), (28, 767973), (42, 511982), (84, 255991), (281, 76524), (562, 38262), (843, 25508), (911, 23604), (1124, 19131), (1686, 12754), (1822, 11802), (1967, 10932), (2733, 7868), (3372, 6377), (3644, 5901), (3934, 5466)]