21380946

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 44703360

約数和(自身を除く): 23322414

約数列:

[1, 2, 3, 6, 29, 58, 87, 103, 174, 206, 309, 618, 1193, 2386, 2987, 3579, 5974, 7158, 8961, 17922, 34597, 69194, 103791, 122879, 207582, 245758, 368637, 737274, 3563491, 7126982, 10690473, 21380946]

約数ペア:

[(1, 21380946), (2, 10690473), (3, 7126982), (6, 3563491), (29, 737274), (58, 368637), (87, 245758), (103, 207582), (174, 122879), (206, 103791), (309, 69194), (618, 34597), (1193, 17922), (2386, 8961), (2987, 7158), (3579, 5974)]