21025232

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 42620040

約数和(自身を除く): 21594808

約数列:

[1, 2, 4, 8, 16, 29, 58, 113, 116, 226, 232, 401, 452, 464, 802, 904, 1604, 1808, 3208, 3277, 6416, 6554, 11629, 13108, 23258, 26216, 45313, 46516, 52432, 90626, 93032, 181252, 186064, 362504, 725008, 1314077, 2628154, 5256308, 10512616, 21025232]

約数ペア:

[(1, 21025232), (2, 10512616), (4, 5256308), (8, 2628154), (16, 1314077), (29, 725008), (58, 362504), (113, 186064), (116, 181252), (226, 93032), (232, 90626), (401, 52432), (452, 46516), (464, 45313), (802, 26216), (904, 23258), (1604, 13108), (1808, 11629), (3208, 6554), (3277, 6416)]