21967442

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 17672878

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 887, 1769, 1774, 3538, 6209, 12383, 12418, 24766, 25723, 51446, 54107, 108214, 180061, 360122, 378749, 757498, 1569103, 3138206, 10983721, 21967442]

約数ペア:

[(1, 21967442), (2, 10983721), (7, 3138206), (14, 1569103), (29, 757498), (58, 378749), (61, 360122), (122, 180061), (203, 108214), (406, 54107), (427, 51446), (854, 25723), (887, 24766), (1769, 12418), (1774, 12383), (3538, 6209)]