21965274

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{3137}}^1$

素因数の和:3534

約数の個数: 24

約数和(自身を含む): 47728980

約数和(自身を除く): 25763706

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 3137, 3501, 6274, 7002, 9411, 18822, 28233, 56466, 1220293, 2440586, 3660879, 7321758, 10982637, 21965274]

約数ペア:

[(1, 21965274), (2, 10982637), (3, 7321758), (6, 3660879), (9, 2440586), (18, 1220293), (389, 56466), (778, 28233), (1167, 18822), (2334, 9411), (3137, 7002), (3501, 6274)]