21517356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2017}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 57860096

約数和(自身を除く): 36342740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2017, 2667, 3556, 4034, 5334, 6051, 8068, 10668, 12102, 14119, 24204, 28238, 42357, 56476, 84714, 169428, 256159, 512318, 768477, 1024636, 1536954, 1793113, 3073908, 3586226, 5379339, 7172452, 10758678, 21517356]

約数ペア:

[(1, 21517356), (2, 10758678), (3, 7172452), (4, 5379339), (6, 3586226), (7, 3073908), (12, 1793113), (14, 1536954), (21, 1024636), (28, 768477), (42, 512318), (84, 256159), (127, 169428), (254, 84714), (381, 56476), (508, 42357), (762, 28238), (889, 24204), (1524, 14119), (1778, 12102), (2017, 10668), (2667, 8068), (3556, 6051), (4034, 5334)]