21268128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31649}}^1$

素因数の和:31669

約数の個数: 48

約数和(自身を含む): 63806400

約数和(自身を除く): 42538272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31649, 63298, 94947, 126596, 189894, 221543, 253192, 379788, 443086, 506384, 664629, 759576, 886172, 1012768, 1329258, 1519152, 1772344, 2658516, 3038304, 3544688, 5317032, 7089376, 10634064, 21268128]

約数ペア:

[(1, 21268128), (2, 10634064), (3, 7089376), (4, 5317032), (6, 3544688), (7, 3038304), (8, 2658516), (12, 1772344), (14, 1519152), (16, 1329258), (21, 1012768), (24, 886172), (28, 759576), (32, 664629), (42, 506384), (48, 443086), (56, 379788), (84, 253192), (96, 221543), (112, 189894), (168, 126596), (224, 94947), (336, 63298), (672, 31649)]