21347928

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{2017}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 69015600

約数和(自身を除く): 47667672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 378, 392, 441, 504, 588, 756, 882, 1176, 1323, 1512, 1764, 2017, 2646, 3528, 4034, 5292, 6051, 8068, 10584, 12102, 14119, 16136, 18153, 24204, 28238, 36306, 42357, 48408, 54459, 56476, 72612, 84714, 98833, 108918, 112952, 127071, 145224, 169428, 197666, 217836, 254142, 296499, 338856, 381213, 395332, 435672, 508284, 592998, 762426, 790664, 889497, 1016568, 1185996, 1524852, 1778994, 2371992, 2668491, 3049704, 3557988, 5336982, 7115976, 10673964, 21347928]

約数ペア:

[(1, 21347928), (2, 10673964), (3, 7115976), (4, 5336982), (6, 3557988), (7, 3049704), (8, 2668491), (9, 2371992), (12, 1778994), (14, 1524852), (18, 1185996), (21, 1016568), (24, 889497), (27, 790664), (28, 762426), (36, 592998), (42, 508284), (49, 435672), (54, 395332), (56, 381213), (63, 338856), (72, 296499), (84, 254142), (98, 217836), (108, 197666), (126, 169428), (147, 145224), (168, 127071), (189, 112952), (196, 108918), (216, 98833), (252, 84714), (294, 72612), (378, 56476), (392, 54459), (441, 48408), (504, 42357), (588, 36306), (756, 28238), (882, 24204), (1176, 18153), (1323, 16136), (1512, 14119), (1764, 12102), (2017, 10584), (2646, 8068), (3528, 6051), (4034, 5292)]