21277284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8171}}^1$

素因数の和:8216

約数の個数: 48

約数和(自身を含む): 58576896

約数和(自身を除く): 37299612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8171, 16342, 24513, 32684, 49026, 57197, 98052, 114394, 171591, 228788, 253301, 343182, 506602, 686364, 759903, 1013204, 1519806, 1773107, 3039612, 3546214, 5319321, 7092428, 10638642, 21277284]

約数ペア:

[(1, 21277284), (2, 10638642), (3, 7092428), (4, 5319321), (6, 3546214), (7, 3039612), (12, 1773107), (14, 1519806), (21, 1013204), (28, 759903), (31, 686364), (42, 506602), (62, 343182), (84, 253301), (93, 228788), (124, 171591), (186, 114394), (217, 98052), (372, 57197), (434, 49026), (651, 32684), (868, 24513), (1302, 16342), (2604, 8171)]