21563374

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 17337362

約数列:

[1, 2, 7, 14, 23, 46, 161, 167, 322, 334, 401, 802, 1169, 2338, 2807, 3841, 5614, 7682, 9223, 18446, 26887, 53774, 64561, 66967, 129122, 133934, 468769, 937538, 1540241, 3080482, 10781687, 21563374]

約数ペア:

[(1, 21563374), (2, 10781687), (7, 3080482), (14, 1540241), (23, 937538), (46, 468769), (161, 133934), (167, 129122), (322, 66967), (334, 64561), (401, 53774), (802, 26887), (1169, 18446), (2338, 9223), (2807, 7682), (3841, 5614)]