21594272

素因数分解:

$2^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 27394528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 149, 224, 298, 596, 647, 1043, 1192, 1294, 2086, 2384, 2588, 4172, 4529, 4768, 5176, 8344, 9058, 10352, 16688, 18116, 20704, 33376, 36232, 72464, 96403, 144928, 192806, 385612, 674821, 771224, 1349642, 1542448, 2699284, 3084896, 5398568, 10797136, 21594272]

約数ペア:

[(1, 21594272), (2, 10797136), (4, 5398568), (7, 3084896), (8, 2699284), (14, 1542448), (16, 1349642), (28, 771224), (32, 674821), (56, 385612), (112, 192806), (149, 144928), (224, 96403), (298, 72464), (596, 36232), (647, 33376), (1043, 20704), (1192, 18116), (1294, 16688), (2086, 10352), (2384, 9058), (2588, 8344), (4172, 5176), (4529, 4768)]