21017024

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 56

約数和(自身を含む): 48816768

約数和(自身を除く): 27799744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1091, 1204, 1376, 2182, 2408, 2752, 4364, 4816, 7637, 8728, 9632, 15274, 17456, 19264, 30548, 34912, 46913, 61096, 69824, 93826, 122192, 187652, 244384, 328391, 375304, 488768, 656782, 750608, 1313564, 1501216, 2627128, 3002432, 5254256, 10508512, 21017024]

約数ペア:

[(1, 21017024), (2, 10508512), (4, 5254256), (7, 3002432), (8, 2627128), (14, 1501216), (16, 1313564), (28, 750608), (32, 656782), (43, 488768), (56, 375304), (64, 328391), (86, 244384), (112, 187652), (172, 122192), (224, 93826), (301, 69824), (344, 61096), (448, 46913), (602, 34912), (688, 30548), (1091, 19264), (1204, 17456), (1376, 15274), (2182, 9632), (2408, 8728), (2752, 7637), (4364, 4816)]