21684692

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 17899468

約数列:

[1, 2, 4, 29, 58, 116, 131, 262, 524, 1427, 2854, 3799, 5708, 7598, 15196, 41383, 82766, 165532, 186937, 373874, 747748, 5421173, 10842346, 21684692]

約数ペア:

[(1, 21684692), (2, 10842346), (4, 5421173), (29, 747748), (58, 373874), (116, 186937), (131, 165532), (262, 82766), (524, 41383), (1427, 15196), (2854, 7598), (3799, 5708)]