21167131376

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2445371}}^1$

素因数の和:2445920

約数の個数: 20

約数和(自身を含む): 41087140344

約数和(自身を除く): 19920008968

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 2445371, 4890742, 9781484, 19562968, 39125936, 1322945711, 2645891422, 5291782844, 10583565688, 21167131376]

約数ペア:

[(1, 21167131376), (2, 10583565688), (4, 5291782844), (8, 2645891422), (16, 1322945711), (541, 39125936), (1082, 19562968), (2164, 9781484), (4328, 4890742), (8656, 2445371)]