21063546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{479}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 31352454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 349, 479, 698, 958, 1047, 1437, 2094, 2443, 2874, 3141, 3353, 4311, 4886, 6282, 6706, 7329, 8622, 10059, 14658, 20118, 21987, 30177, 43974, 60354, 167171, 334342, 501513, 1003026, 1170197, 1504539, 2340394, 3009078, 3510591, 7021182, 10531773, 21063546]

約数ペア:

[(1, 21063546), (2, 10531773), (3, 7021182), (6, 3510591), (7, 3009078), (9, 2340394), (14, 1504539), (18, 1170197), (21, 1003026), (42, 501513), (63, 334342), (126, 167171), (349, 60354), (479, 43974), (698, 30177), (958, 21987), (1047, 20118), (1437, 14658), (2094, 10059), (2443, 8622), (2874, 7329), (3141, 6706), (3353, 6282), (4311, 4886)]