21672352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 25108928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 767, 883, 944, 1534, 1766, 1888, 3068, 3532, 6136, 7064, 11479, 12272, 14128, 22958, 24544, 28256, 45916, 52097, 91832, 104194, 183664, 208388, 367328, 416776, 677261, 833552, 1354522, 1667104, 2709044, 5418088, 10836176, 21672352]

約数ペア:

[(1, 21672352), (2, 10836176), (4, 5418088), (8, 2709044), (13, 1667104), (16, 1354522), (26, 833552), (32, 677261), (52, 416776), (59, 367328), (104, 208388), (118, 183664), (208, 104194), (236, 91832), (416, 52097), (472, 45916), (767, 28256), (883, 24544), (944, 22958), (1534, 14128), (1766, 12272), (1888, 11479), (3068, 7064), (3532, 6136)]