21261177726

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{725687}}^1$

素因数の和:725968

約数の個数: 32

約数和(自身を含む): 44934600960

約数和(自身を除く): 23673423234

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 257, 514, 771, 1542, 4883, 9766, 14649, 29298, 725687, 1451374, 2177061, 4354122, 13788053, 27576106, 41364159, 82728318, 186501559, 373003118, 559504677, 1119009354, 3543529621, 7087059242, 10630588863, 21261177726]

約数ペア:

[(1, 21261177726), (2, 10630588863), (3, 7087059242), (6, 3543529621), (19, 1119009354), (38, 559504677), (57, 373003118), (114, 186501559), (257, 82728318), (514, 41364159), (771, 27576106), (1542, 13788053), (4883, 4354122), (9766, 2177061), (14649, 1451374), (29298, 725687)]