21377646

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 48157200

約数和(自身を除く): 26779554

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 83, 123, 166, 246, 249, 349, 369, 498, 698, 738, 747, 1047, 1494, 2094, 3141, 3403, 6282, 6806, 10209, 14309, 20418, 28618, 28967, 30627, 42927, 57934, 61254, 85854, 86901, 128781, 173802, 257562, 260703, 521406, 1187647, 2375294, 3562941, 7125882, 10688823, 21377646]

約数ペア:

[(1, 21377646), (2, 10688823), (3, 7125882), (6, 3562941), (9, 2375294), (18, 1187647), (41, 521406), (82, 260703), (83, 257562), (123, 173802), (166, 128781), (246, 86901), (249, 85854), (349, 61254), (369, 57934), (498, 42927), (698, 30627), (738, 28967), (747, 28618), (1047, 20418), (1494, 14309), (2094, 10209), (3141, 6806), (3403, 6282)]