21570332

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 44705472

約数和(自身を除く): 23135140

約数列:

[1, 2, 4, 7, 14, 28, 61, 73, 122, 146, 173, 244, 292, 346, 427, 511, 692, 854, 1022, 1211, 1708, 2044, 2422, 4453, 4844, 8906, 10553, 12629, 17812, 21106, 25258, 31171, 42212, 50516, 62342, 73871, 88403, 124684, 147742, 176806, 295484, 353612, 770369, 1540738, 3081476, 5392583, 10785166, 21570332]

約数ペア:

[(1, 21570332), (2, 10785166), (4, 5392583), (7, 3081476), (14, 1540738), (28, 770369), (61, 353612), (73, 295484), (122, 176806), (146, 147742), (173, 124684), (244, 88403), (292, 73871), (346, 62342), (427, 50516), (511, 42212), (692, 31171), (854, 25258), (1022, 21106), (1211, 17812), (1708, 12629), (2044, 10553), (2422, 8906), (4453, 4844)]