21151914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1609}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 48531840

約数和(自身を除く): 27379926

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 313, 626, 939, 1609, 1878, 2191, 3218, 4382, 4827, 6573, 9654, 11263, 13146, 22526, 33789, 67578, 503617, 1007234, 1510851, 3021702, 3525319, 7050638, 10575957, 21151914]

約数ペア:

[(1, 21151914), (2, 10575957), (3, 7050638), (6, 3525319), (7, 3021702), (14, 1510851), (21, 1007234), (42, 503617), (313, 67578), (626, 33789), (939, 22526), (1609, 13146), (1878, 11263), (2191, 9654), (3218, 6573), (4382, 4827)]