21899702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 37407744

約数和(自身を除く): 15508042

約数列:

[1, 2, 11, 22, 31, 62, 163, 197, 326, 341, 394, 682, 1793, 2167, 3586, 4334, 5053, 6107, 10106, 12214, 32111, 55583, 64222, 67177, 111166, 134354, 353221, 706442, 995441, 1990882, 10949851, 21899702]

約数ペア:

[(1, 21899702), (2, 10949851), (11, 1990882), (22, 995441), (31, 706442), (62, 353221), (163, 134354), (197, 111166), (326, 67177), (341, 64222), (394, 55583), (682, 32111), (1793, 12214), (2167, 10106), (3586, 6107), (4334, 5053)]